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irinina [24]
3 years ago
10

Question below, I already did half of it but I can't get the perimeter?

Mathematics
1 answer:
Vlada [557]3 years ago
7 0

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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