mohon dijawab! …………

Luas = 1/2 ( a + b ) x tinggi
75 = 1/2 ( 2x + 3x ) x 10
75 = 5x . 5
75/5 = 5x
15 = 5x
3 = x
panjang sisi sejajar
a = 2.3
= 6 cm
b = 3.3
= 9 cm
jawaban : d. 6 cm dan 9 cm