Question

Tolong dibantu yang no 6 ya

Answer 1

Mencari nilai x :

AD / AE = AB / AC
6 / x = 10 / (2+x)
6(2+x) = 10x <-- dikali silang
12 + 6x = 10x
12 = 4x
x = 3



mencari nilai y :

AD / DE = AB / BC
6 / y = 10/ 10
6(10) = 10y <-- dikali silang
60 = 10y
y = 6