Matematika - Lingkaran Kelas 8 Bagian 1


Assalamu'alaikum Sobat Reader Bacaan Satu,
Postingan kali ini saya akan membahas tentang matematika bab lingkaran (Bag. 1)
Saya sendiri kelas IX
Tujuan saya memposting tulisan ini adalah agar sobat reader bacaan satu mengerti unsur-unsur
lingkaran (Khususnya kelas 8 nih...)


Ok, kita mulai pendahuluannya
Bismillahirrahmanirrahim :)
1. Unsur-unsur lingkaran
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sUY7ElGTKsckHNfRar/ABrshb3Dc1dUE46TQHS/82Nm/Ggh07F3UejlX592zMglhVsFs6jkY3Oo7+prRF2d4pEYyktpLyuYV1q65MnxM2nOW3O/rXb/AMTv7Ha6j9sgH9vAMSqPN4PH5rVh4LxyC7TXBIrjxA2ZfRlO6n50FMtrTicHK/5WKQQrIF5c+7M/V21KMt1+prms7u8g5Ovh9wTDA8alNLgyNjMhAbONug33NfTcUxQfLIu0CQLHmC6RoLV44+ZAwBkfGSSM4HdG/qaxF2qtI8aZh7iy5cYYFWeR/iPeAG2kb7fEa+qYrTNaI/xIrfxKD/UUFDue0Nv7FNaxPHIq2yxxskiks7qVIxnoDjJ9anuAcWiWziDbvCsUTICpYSaVTAIYgnJ6g113fZiycEvawHbP6sD+gr5ZacJgFpaOtpzp7meUKBM8R0qXI0kHAwANyKC98bvjzZ5QN4VW1iOOsk+nJB8hmPOPWuedeSHMZybeAWcQ+9M+Cf8Aw32+1UTwbsvzX5bw8Qs8e8DG4EkepSMbnPe8QceFTD9hp1xy+IyjEnNHMiR+/wDePTJ38aDTxWYWyXEmNrW0S3jONtcnxY+kfT1qndm7+VISkQeeV40gV2OY4ea26lvvbp3R5GrPxjsTxCaEwtdwuhcyH3RQsx3yxBOd9/pUHF+j+/hAXSJUDa9Md00YzjGQNOA3r1oJe34LyRdEu002IrSORh8LOAGEQ+woDgYHlUlxJd7kp0xDw+NceoL4/P6fBXBBJfRmEScOkKxzPMxjlRi7NnTtt8Or1zgdK123GjEYeda3ahJZZnJgJy75040k4ADGglOJLqN0F21tDYw48B1fHy1H8vSuLtFZc5LgKPePcRW9qc/CYV1agfDB15rg4f2ptl9n5jspjM08mtGXMz50jdenfbf0FdvC+N2y8gCeJ+TBLMx1jLTP4KCck7v9RQWXgdyvErKNpMqwYa9JwySxNvj5MucHwqRl4JG0ciOWbmga3J75x0wQBjHhgAZ+Zqodg5TBdyQNIri4hS5GlgQJOkw226kH8KtvabjK2du8xGorgKoONTHZVz4ZPjQa17OxhmfmTcxljVn5m55bFlPTGcsfDGDivcvZ+JkKkuCZRMXBAfmDGGyBjOAB0xivFpYXDIGluWEpGSEVOWp+6FKksB0yTk+ldfBudygJyDKCwYqMA4YgEDwBGDig437MxFZF1S4kkSVu+clk0lTv03RT648qmQKzSgUpSgUpSgUpSgqHbcc244fbeD3HNYfuwjVv+JFW+qjMOZxuMeENk7fi7hf6A1bqBSlKBVd412Pt535q6refwmgOh/5sbMPnVipQUz/il/Y7XUXtcA/t7ce8A85IfH5rVi4Lxy3u01wSrIPEA95fRlO4PzqRqu8a7HwTvzU1W9wOk0B0t/MBs4+dBYqVTP8Ait/Y7XUftcA/t7dcSAeckHj81qxcG43BdprgkVx4gfEPRlO4PzoPfHJ+XbTv92J2+ik1Vex/Z/VBwuYtgQQM2jHVpVG+c7Yyal/0gz6OG3R/6RX83d/3qU4PDy7eFPuxIv0UCg7KVjVXBxHjlvbj300cfozAH6daCQpmqhJ+kGB20W0U9y5yRy4yFOOp1vjYZGTUdF2j4jdGIRRQWyTBmRnYytpXqxUAADoPnQfQKjeJ8ftrce+nij9GYZ/L1NUGDh0117Kbq8nkWfmOyJ7pBGgO+Ex17v1rdwns5bCO25cSF7i4MuphlhCpLgamycYCDOd9VBJ3v6Qrdg3JgmugvxMseEGdhln6Z+VQfGGuZhNqs7G3ESBm5sYlk72dKggY1H/cVNxqJtAXpd3bO3X9VB028jy0H81Ijzwmdvab0y4Of1UPTbwB5an+agqEPAv+H38MuoMI5YFl0qEUGcOuFA6AAD8wr6D+kThsk9meUup43SYIOraDkgepGaqPa+ctYSSBcvcXDTg+UcBGk/LCr+avqFrJrRW+8oP1GaDh4bx+3niEqSppx3ssAVPiGB+Eg7YNd1vMHUMAQD0yMZHnj1rWbCItrMaa/vaRq+uM1zcXulRoAzyIXmVV0DIY4Y6XOCApxnw6CgkqVFScfhVXY6gI5VhfunZmKgbeWXXfpvWRx2MzNCBIXVgrYjYgZXUCWxjTgdemdqCUpUDZ8dhSKEl5ZBLI6IzRksSC5IIVRjGkgZHgK6o+PRGPmd4e85OkqQ+vOnTp88/hjfpQSlK4OG8WSdpFUOGibS4ZCMHrjV0bbB2J6jzpQd9KUoKlw/fjN16WsIH4sxq21UrPu8anH37ONvyuR/vVtoFKUoFKUoFKUoOTiXEo4FBkONTBVUDLMx6KqjcmqlxzhVtJIsjxzWEzkKlwmlcseiuUZhv+/jPTNbuKMTxu0V/gFtM0YPTVkAkeumpH9IKKeG3WrpyWP4jcf4gUmj5/+kLi99bxCzuTFKsmGWZVKsyowOGXOA2QM48Kk4u297cwvJbRW8SRKuou5diTsFVBjBJwO95iuvjcXOTg6zrq1uBIG8cxHOajeGdk4efJZSlormL3ltcRnDPFnK6h8LsjbHO+3pVG7ifDrl/aRcXs8hhjjwkJESGSTOFIG5AyvjnevX/pyC3NwUhRnjhihVnGomaT4my3j3k6etZvYLy0I9pj9pgNws8txAvvDoAA1wjy0ruNsCurg19Fc8jQ6nXcS3kwByVCfCHHgd06/dqDffHlC4Mf/wAe3jtE221yYzjHjulL6MR8/RsIbeOyiA+/JjOB+Mfl0r1ZNrNrnAEss17J/Cu8efzR/lpw5Q/s2rYyyyX79NlX4M/mT6GgXRMZuAn9jDDZw+jyYz/qj+hrE4KGbl7mFIrGDONmcLqPhv3l/LWOHsXW1ZukjzX0ufujOj/Un0rPD0z7KXyP1vEJc46tkKD+f/KKBcuIudyhjkIljB/HJp1NnPQakzt4GoLtLxj2aUQW/emS3W0izjC6sF3JJx4IozjfOaneHtva6xtie+lz4E7r9OYfyiqnP2PZ5Y5uYGleJ7uVZ1DRgZyA2CM5zjy7poOvjvF7cRzwCQScqxW3j5Kll1NvISRkKO6nU+dWjg91xGa3hEMUNunKQcydjIxGkbrEhAGeveaqfOZxYPHJEkKLDLc+7Yd/mDCakx3MM+AP3fSvq3BI9NvCvlEg+iigiYOyxZg9zdXE7AhgurlxAjcYjjxnf7xNbu0jBmtVUgsLuMkA7juu248Nhmp2tItE1mTQvMIwXwNRA8NXXFBV+I8FuGFyiLGVluIp1ZnI+FoiVK6Tg+7O/rUvw20lS4uZGVdMmgrhsnurpORgYzUvSgqlnwedUtQVTMVzJK+H+y3Mxp7u594Ntuhrm4pavGjK4jDy3wlhzJp6YbZ9JCvhG6gjfG+aularq2SRSsiK6nqrAEfQ0EP2achpleMI5YSOwkEmosMbkKukgKBjHTFKmLW2SNQsaKijoqgAfQUoNtKUoKjxT3fGbRugltpoj6lSrirdVR/SKOWltdDrb3MbN/Ax0P8A4EVbQc0GaUpQKUpQKUpQRvGeDpcctslJYm1RyLjUp6Eb7FSNip6iue84K9wAlzKrxBgxjjTQHxuBIS7ErnfAxnx22qapQVLtkP8AmuGf3o//AK2rf224S8kaXFv+1Wx5kX7w+1GfMMPDzxWjtn+1cM/vR/0NVsoI/gHF0u4I54/hcdPFSNip9QQRUVx3sVb3BLrqt5iCDLAdLHPUOBs4Pjn61Hr/AO23+Olpett92Kf/AGEn9a6+0Pa3RJ7NZp7RdHbA+CP1lfoMeX9KCucSjv7NZDLHz1MAt0ngH6tAdy8PXOD1H3RXT/xGK4S4kt31qY4bGLGx757xx1Hx/wCU1eraYiNOayB9I1lT3dWN8Z8M1V+PcBsJX5wnjtrgHImikVTkeLKTpb8Rn1oNHEut1hTj3FjGF2+LGsg+mv8AymvXEUDG70/aMNigHTGxYAdDjmH8pHhVcHaH2OSJbiaG5jSV5RLbyKXZmBHvIicjBb7O1dlh2jtP+WLTIdBlupcZJ5rAgL0699voKCW4iNZuwMDmSw2Me+MKMF8fnb8tY4idftGjbmyw2Kb9VU9/H5n+hqJsu0kCezFjIQgmuZsRO3vH+HOE6DW+/TYb7Vjh3HkQQaobluUJbuUiFh331EbEDuDU/e2G1Bt7YjXBdsv9rPbWaYP2Y3Gr/MzV9KRcAAeAxXyU8QeSaxgFrOTG73ckZADMWJZSuph3QzHc48KvQ49dH4eHTfzyRL/RzQWKlV08Tvz0sUH8dyP/ABQ1v47N34Y9bBn1nQraAwC7lpRuqqSDtkk42oJulUm2vZZYeG5ncGV2SQoR3vdyHc465Ub/AI0sb2VZxaySu0XtUkayscMwESyiMuMEkMzDI3OjHnQXalV3hl7OouFCNccqfRHllDFSqsQXbAOgsVz1286nLSRmRS6GNiN1JBI9MjY/hQbqUpQKUpQcPG+HLc28sLdJEZflkbH8Dg1E9gOImazRXPvYSYJQeuqPu7/MAH8aslUy9PsHElm6W97iOTySYfCx8tQ2+dBc6UpQKUpQKUpQKUpQVLtn+1cM/vR/0NVsqp9s/wBq4Z/ej/oarbQRvaDhCXdu8L9GGx8VYbqw9QcV8k7OdnJUaY8pbmSFylxbOxSTzDxOGAZWG4Detfbap3bGBrWaPiUQJ5Y5dyo+3CT1x95Dv8vlQdPDuylhLGkhsUQsM6ZUGsejAk71IRdl7Jfhs7YfKFM/XTUnbTrIquhDKwDKR0IO4NbaDkj4bCvwxRr8kUf7VBcc7EW9wS6Zt5SCDJD3dWfB0+FwfHPWrRSg+Z8VjvLZJVuo+dFII0a4gGdMaHcNb9RkEgldt67DeJdJNJC6sLiaK3TSc6Yl7zah1TI5hwcVeL69jhQySusaDqzHA/xr5B2pmW7niNjbtCZ35QuN4zMCO9iIY1RgHJc/KguXYrE0lzxFwcStyodicRRkqCAN+8d/wqdi7T2rKXEwKDIL4bSMdctjAx45ru4ZYrBDHEnwxoEH4DFU7sZfyR2c2i2kmxcXBGhkGr3jbYZgf8KC8Qyq6hlIZSMgg5BHoRWm7sIpdPNjSTQdS61DaT5rkbH1qufoyVRZYVwx5shZVBAjZmLGPSwBGnPiKkuPX8sctqkYQiWYo2okHaN3wMKcfD19MeOQGviPAQzWwijhWKKVpXTGkHUrL3VVcZy+rJ8R+NSj8OiKcsxoUByFKjAOc5A887565qJbtExkASF3j5piZlVyQQdBbZNOgMCD3um/pWp+0sgGswDQLn2dsSd7JblhlGnBGSM5Ix60FhggVFCooVR4KMD6VsqDi41JicNCObCyDSj5Vg4BB1lRgAEk7bYPWujgfF/aDMMLmKTQSjalbKq4KnA8Gx+FBKUpSgUpSgVwcd4THdwSQSDuuMZ8QeoYeoO9d9KCsdiuLu4e0udrq3wr/vr9mRfMEYz6/OrPVb7V8CkkaO6tSFu4M6c/DIp6xv6HwPga6+zPaFLxDgGOVDpmhb4428QR5Z6HxoJmlKUClKUClKUFS7Z/tXDP70f9DVbaqXbP9q4Z/ej/AKGq20CvMsYYFWAIIIIPQg7EGvVKCldmJmsbiTh75KYaWzJO7J1aPJ8VJ29KsHZ/j0d3bidcoBkOr4BjZfiV/AEVyds+CtcwhojpuIW5sDeTD7PyYDB/CqIy2Uoa7uJnWOdgXsI86mnUaXDIDqbcdNuozQfUuH38c6CSF1kQkgMpyDglTv6EEVX+LdsFEht7OM3VyOqofdp6ySdB8utR1twu7vlVXBsLIDCwRbTOvk7Ae7H7o333q1cO4dBZw6IkSGJRk+A26lmPX5mgrR7PAA3nFphMYxr0dLeL+GP7R6bnrWzshZPczNxGdSpddFrGf7OLqDjwZuvyrmiVuMTB2BHD4Wyinb2hwfiI/wDpqRt5/wBLyBQeZM4OkAnwBOB+JwcfSq12e4Vd2sLRj2diZJJAxZwBrYtgjRvjPnVopQQnZXgPsiSan5kssrSyMBpBZvurk4A+ddXF+GGYwsHKNDLzFOAc91kIIPo5388VI0oIO14E8UrlLhhC8hkMWkbMTltMnUKzbkY8TuM1rk7OsY2Tmje5FznR4hxJpxq6ZA38vrVgpQQF92dMvtHvtPOaJtk+ExEEAgnvKdOCD13rr4TwpoZJnaUvzSrEaQACFVNseGFG39alKUGKzSlApSlApSlAqtdpOzbSOLq0cQ3aDZvsSD7ko8R6+FWWlBAdme0y3OqKRTDdR/rYH6j1U/aU+YqfqD7Sdmo7vS+oxTx7xTJ8aH/yXzBqIi7Tz2ZEfEo8L0W6hBMTf9xesbf4UFzpXPY30cyh4pEkU9GRgw+orooFKUoKl2z/AGrhn96P+hqttVLtn+1cM/vR/wBDVbaBWu4nVFLuwVVGSzHAA9Sar/G+10cL8iBWubk9Iot9PrI3RB864oOyst2wl4m4kwcrbR7Qp/F4yN6nag8ydpZ70mPhqDl5w13KMRjz5aHeQ+vSvPDOGWXD5hzOZLdzFm5rRM7OeraNKkL8hvVyRAqgABVA2A2AA9PAV897XdpYxf2Ztv8AmpIjKGihOTllCgEjIHiT5AUFwPaGAZ1s0YClyZY3RcLjPeZQD1G3Xeq0BLxhgSGi4cDkA7Pc48/FYvTx/oseAXF7cGTiirojCvDAhzECc5L7ZZxgem9XlRgYGwFB5hhVFCqAqqMAAYAA8AK90pQKUpQKUpQKUpQKUpQKUpQKUpQKUpQKUpQK8ugIIIBB6g7j6V6pQVa97DwF+ZbM9nL963OlT/FF8LD8K0e18UtdpIUvk+/CRHL/ADRscH8KuFKCpJ+kK0U6bgTWz/dniYf5gCD9ak7XtbYyfBdQn+cA/Q1MOgYYIBHqM1G3nZ61kyWtoHPhqjX+umgq3bvjUCS2EvNVkjuGZih1EDQR0XJ61yz9oZL/AK3EfD7Q+JkX2iQem/ugfrW3h3B7S4MpThcPupWibvgZZeukYwRv44qS7P8AD+GzNIi2UcU0RxJFLEutc9D4hlPgwJFBzcN7ScIsU5cEqE+PLVpHc/vMFJY/M11N2suZtrTh8zZ6SXBESD1wTqIq0W9nHH8CIv8ACoH9BW+gpw7KXF1vxC6Z168i3zHF8mIOp/xxW+Xslont5LXkQJBrwgjJ1a10nUwYfXerVSgjI7a4MiNJJHy1ySkaEFm6DLFz3RucY3ON9qk6UoFKUoFKUoFKUoFKUoFKUoFKUoFKUoFKUoFKUoFKUoFKUoFKV5cZBGceo6j60FX7Cdb3++y/+NcoGrjpMf2LICYjpkuSoPrjf5VMWXZpYuZy5515jmR+8u7Hqfg2z6Yru4XwmK3DCJcam1OxJLO3m7nJY/Og7qUpQKUpQKUpQKUpQKUpQKUpQKUpQKUpQKUpQf/Z 

Penjelasan :
-AB adalah diameter
-AO adalah jari-jari
-O Adalah titik pusat
-OE adalah apotema
-Garis lengkung AC adalah busur
-Daerah yang di arsir meliputi garis ACF adalah tembereng
-Daerah yang diarsir menyerupai kerucut melalui garis OCB adalah juring
-Tembereng terdiri dari busur dan tali busur, dimana tali busur adalah garis AC

Contoh soal :
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 
1. Pada gambar di atas, garis AC adalah... (Tali Busur)
2. Pada gambar di atas, garis OE adalah ....(Apotema)

2. Keliling dan Luas Lingkaran

Keliling lingkaran = 2Ï€r atau Ï€d (dimana Ï€ nilainya   atau 3,14)
Luas lingkaran =  atau

Keterangan :
r = Jari-jari

d = diameter

Contoh soal :
1. hitunglah keliling lingkaran dengan diameter 14cm!
Jawab :
Ï€d
= x 14
= 44cm

2. Hitunglah luas lingkaran dengan jari-jari 7 cm!
Jawab :


= x 7 x 7
= 154 cm

Untuk kali ini, saya akhiri dulu. sampai ketemu di post berikutnya :)
Jangan lupa komentar ya :)

Wassalamu'alaikum Wr. Wb. 
 
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