Question

A,B,and C thank you

Answer 1

A. 13
C. 12


Good luck....

Answer 2

a)
x^2 =√ (12^2 + 5^2)
x^2 = √ (144 + 25)
x^2 = √ 169
x = 13

b)
x^2 =√ (20^2 - 16^2)
x^2 = √ (400 - 256)
x^2 = √144
x = 12

c)
x^2 =√ (20^2 - 12^2)
x^2 = √ (400 - 144)
x^2 = √256
x = 16