Question

Find the length of side a
13
a
5
A. 144
B. 194
C. 8
D. 12

Answer 1

Explanation:

i think i would need to see a picture

Answer 2

D. 12

a^2 + b^2 = c^2

so that will be 5^2 + b^2 = 13^2

so now that we have the equation we just solve it

5^2 + b^2 = 13^2

25 + b^2 = 169

b^2 = 144

b = 12

5^2 + 12^2 = 13^2

25 + 144 = 169

so the answer is A) 12