Question

Determine a area do circulo cujo raio mede 5 cm . Use 3,14

Answer 1

A = π * r²
A = 3,14 * 5²
A = 3,14 * 25
A = 78,5 cm²

Answer 2

π*r²

A= 3,14*5²

A=3,14*25

A=78,5 cm