Respuesta :

iTSjUstRyaNt
Pythagorean theorem
A^2 + 144 = 169
A^2 = 25
A = 5in.
MathGenius04
We know that this is a right triangle. If a^2 + b^2 = c^2 and we know b and c then we just plug it in solve

a^2 + 144 = 169

169 - 144 = 25

The square root of 25 is 5

The answer is A) 5

*Brainliest Please ♡´･ᴗ･`♡