Respostas

2014-06-04T23:52:22-03:00
Olá, Jackmoraes!

A = b . h
A = 8cm . 10cm
A = 80 cm²
2014-06-04T23:56:12-03:00
Area do triangulo = base · altura / 2

10·8/2 = 80/2 = 40cm²