Question

Calcule o perímetro do triângulo ABC, sabendo que A (1,3), B(7,3), C(7,11)

Answer 1

AB = \/(7-1)²+(3-3)² --> AB = \/6² --> AB = \/36 --> AB = 6
BC = \/(7-7)² + (11-3)² --> BC = \/8² --> BC = \/64 --> BC = 8
AC = \/(7-1)² + (11-3)² --> AC = \/6² + 8² --> AC = \/36+64 --> AC = \/100 --> AC = 10
P = 6 + 8 + 10 --> P = 24