yg no 5 soalnya berapakah luas yg di arsir bangun di samping tolong jawabnyaaa

L = 352 cm^2
Bangun 1 = p × l = 21 × 12 = 252 cm^2
Bangun 2 = 1/2 × 10 × 12 = 100 cm^2
Bangun 1 + Bangun 2
= 252 cm^2 + 100 cm^2
= 352 cm^2

#SemogaMembantu :b