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Verified answer
Misalkan itu adalah gambar segitiga ABCDDik :
AB = 10 cm
AD = 5 cm
CD = x
Dit :
x = ...?
Jawab :
AB² = AD x AC
10² = 5 x (5 + x)
100 = 25 + 5x
5x = 100 - 25
5x = 75
x = 75 / 5
x = 15 cm
Jawabannya C
Verified answer
KesebangunanPada gambar terdapat dua buah segitiga (∆). Lihat pada gambar...
Penyelesaian
10 cm / 5 cm = (5 + x) cm / 10 cm
2 = (5 + x) cm / 10 cm
5 cm + x = 20 cm
x = 20 cm - 5 cm
x = 15 cm
Opsi C
semoga berguna +_+