Question

Hitunglah luas bangun gabungan di atas!

Answer 1

Luas jajar genjang
= a × t
= 12 × 18
= 216 cm2

luas segitiga
= 1/2 × a × t
= 1/2 × 18 × 10
= 1/2 × 180
= 90 cm2

luas gabungan
216 cm2 + 90 cm2
= 306 cm2