Question

Detrrmine a area de cada figura a deguir?

Answer 1

19- a) [(B+b).h]:2 = [(7+5).3]:2 = 36:2 = 18cm²
b)  [(B+b).h]:2 = [(3+7).2]:2 = 20:2 = 10cm²
c) (D.d):2 = (7.3):2 = 21:2 =10,5cm²
d) (D.d):2 = (5.4):2 = 20:2 =10cm²

20- b.h = 7.5 = 35cm²