madiness05
madiness05 madiness05
  • 15-05-2019
  • Mathematics
contestada

Question below, I already did half of it but I can't get the perimeter?
a= 18
b= 3
c= 42

Question below I already did half of it but I cant get the perimeter a 18 b 3 c 42 class=

Respuesta :

sikoehn sikoehn
  • 15-05-2019

Answer:  blue triangle: 53 - red triangle: 17

Step-by-step explanation:

12+2+7\left(3\right)+7+5\left(3\right)-4

12+2+21+7+5\left(3\right)-4

12+2+21+7+15-4

53

3+3+6-5+3+7

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