Question

tenho mesa circular cujo tampo possui 1,47m de area determine o diâmetro dessa mesa adote pi=3,14

Answer 1

A=πr²
1,47=3,14.r²
r²=1,47/3,14
r²=0,46815
r=√0,46815
r=0,684

d=2r
d=2.0,684
d=1,368