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stellarik [79]
3 years ago
8

Another one! I don´t get how to solve it please explain

Mathematics
1 answer:
Musya8 [376]3 years ago
5 0

Answer:

B. 16.9

Step-by-step explanation:

Reverse Pythagoreans theorem C^2 - B^2 = A^2 so

7^2 - 5^2 = c^2 and it comes out to

49-25 = 24 the square root of that is 4.9 (rounded)

But we are lookign for the perimeter so

4.9 + 7 + 5 = 16.9

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