Question

What is the length of the missing leg?

Answer 1

b = 5

Explanation:

a^2 + 12^2 = 13^2

a^2 + 144 = 169

-144 -144

`√(a^2)` =
`√(25)`

a = 5

`a^2 + b^2 = c^2` pythagoream theory

Answer 2

it's 5

Explanation:

you should use pythagoras theorem