Question

ooie gente, me ajudem ai kkk

Answer 1

Boa noite:

R1=2.3=6
R2=2.6=12
R3=10.3=30
R=6+12+30=48cm elevado a 2.

b)(3.3)/2=4,5
R2=4.(3+3)=24
R3=2.5=10
r=4,5+24+10=38,5cm elevado a 2.

c) At =(15+10).6/2
=25.6/2=150/2=75
Ar=8.2=16
75+16=91cm elevado a dois.

d)(20.15)/2=300/2=150cm ao quadrado.