Question

Calcule o perímetro desse triângulo:

Answer 1

sen30=4/bc

1/2 = 4/bc

bc=8 cm ✓

cos30= ab/bc

√3/2 = ab/8

2ab= 8√3

ab = 4√3 cm ✓

P = 4 + 8 + 4√3

P = 12 + 4√3 cm . ou. 4(3+√3) cm