Question

in triangle ABC, 12 years ago

Answer 1

the rules for a 45-45-90 triangle are

the longest side is radical 2 times the shorter sides

Answer 2

so what do i do ? i dont understand it

Answer 3

you know that side CA is 12ft so that means that side BA is also 12ft

to find BC you just multiply 12 by radical 2

it will look like this \[12\sqrt{2}\]
this should be your answer

Answer 4

alright thanks