Question

Segitiga ABC, diketahui panjang AB =p, AC =2p akar 2 dan sudut BAC = 90 °. Berapa panjang sisi BC?

Answer 1

Pakai dalil phytagoras
BC^2 = AB^2 + AC^2
BC^2 = p^2 + 8p^2
BC = akar 9p^2
BC = 3p

Answer 2

Panjang BC =√AB²+AC²
=√p²+(2p√2)²
=√p²+4p²(2)
=√p²+8p²
=√9p²
=3p