
Matematika Teorema Pythagoras
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Mathematics
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7th - 9th Grade
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Hard
Fino Al Junayd
Used 2+ times
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7 Slides • 0 Questions
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By Fino Al Junayd
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Teorema Pythagoras menjelaskan hubungan panjang sisi pada segitiga siku-siku. Oleh karena itu, teorema ini hanya berlaku pada segitiga siku-siku aja. Kamu tau kan, segitiga siku-siku itu kayak gimana?
Eits, cara mengenali segitiga siku-siku itu gampang, kok. Salah satu cirinya adalah besar sudut sikunya ada yang 90o.
Bagaimana Konsep Teorema Pythagoras Itu?
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Perhatikan segitiga di samping
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Misalkan ada segitiga siku-siku ABC, seperti pada gambar di atas. Sisi-sisi pada segitiga tersebut dinamai sesuai dengan nama sudut di depannya. Jadi, kalo sisi dari titik A ke B, bisa dinamai dengan c, karena sudut di depan sisi tersebut adalah ∠C . Hal yang harus kamu ingat, penamaan nama sisi itu harus pakai huruf kecil.
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Kemudian, sisi a dan b merupakan sisi tegak pada segitiga siku-siku. Kenapa disebut sisi tegak? Soalnya, kedua sisi tersebut membentuk sudut siku-siku (90o). Sementara itu, sisi c merupakan sisi miring (hipotenusa) segitiga siku-siku. Nah, sisi hipotenusa ini selalu berhadapan dengan sudut siku-sikunya, dan jadi sisi yang paling panjang
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By Fino Al Junayd
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