Question

Gente me ajuda ,é pra amanhã , urgenteee , prvf!!

Answer 1

a) A = b . h / 2

A = 5 . 12 / 2

A = 60 / 2

A = 30 cm²

b) A = b . h

A = 15 . 10

A = 150 cm²

c) A = l²

A = 19²

A = 361 cm²

d) A = π . r²

A = 3,14 . 7²

A = 3,14 . 49

A = 153,86 cm²