25-06-2020
Mathematics

contestada

A triangle has two sides of lengths 7 and 9. What value could the length of
the third side be? Check all that apply.
I A. 13
I B. 2
I C. 5
1 D. 10
O E. 22
F. 8
SUBNET

Respuesta :

evanc7515 evanc7515

25-06-2020

Answer:

C. 5

Step-by-step explanation:

We use the Pythagorean theorem to solve this.

7^2 + b^2 = 9^2

49 + b^2 = 81

81 - 49 = 32

sqrt(32) = about 5

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