Question

responde urgente pfv

Answer 1

Explicação passo-a-passo:

A)Área=l²

8²=64cm²

B)B×H

12×5=60cm².

C)

$( \frac{b + \beta }{2} ) = ( \frac{20 + 12}{2} ) \times 4 = \\ ( \frac{32}{2} ) \ \times 4 = \\ 16 \times 4 = 64cm {}^{2}$

D)

$\frac{b \times h}{2} = \frac{8 \times 6}{2} = \frac{48}{2} = 24cm {}^{2}$