Question

Tolong Bantuin Nomer 2 & 3 pakai cara

Answer 1

2. Misal : UQ = x
9/12 = 15/15+x
1/4 = 5/15+x
15+x = 20
x = 20 - 15
x = 5
UQ = 5 cm

3. BC = √10^2-6^2
= √100-36
= √64
= 8 cm
Misal : DE = x
8/16 = 6/x
1/2 = 6/x
x = (2)(6)
x = 12
DE = 12 cm