Question

Its 8th grade math i did not pay attention

Answer 1

a = 11

Explanation:

Using the Pythagorean Theorem:

`{a}^(2) + {26.4}^(2) = {28.6}^(2)`

`{a}^(2) + 696.96 = 817.96`

`{a}^(2) = 121`

`a = 11`