Question

Calcule essas areas pra mim Gente por favor

Answer 1

Olá!

a) (15 × 20) + (30 × 20)
300 + 600
= 900cm²

b) (3 × 8) + (3 × 8) + (3 × 10) + (3 × 10) + (10 × 8)
24 + 24 + 30 + 30 + 80
48 + 60 + 80
108 + 80
= 188 cm²