Question

Find the length of leg x

x=
side a is 15
side b is 12
side x=​

Answer 1

x=9

Explanation:

a=hyp=15

b=base=12

x=perp=?

using pathagorus theorem:

`{hyp}^(2) = {base}^(2) + {perp}^( 2) \\ {15}^(2) = {12}^(2) + {x}^(2) \\ 225 = 144 + x \\ 225 - 144 = {x}^(2) \\ 81 = {x}^(2) \\ x = 9`