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∆ ABC seperti gambar di atas ↑
diket :
BC = 35 cm
AC = 28 cm
ditanya : tinggi segitiga (AB) ?
jawab:
gunakan teorema phythagoras:
tinggi segitiga:
= √(BC² - AC²)
= √(35² - 28²)
= √ (1225 - 784)
= √ 441
= 21 cm