Help me fill this out thanks

As shown in picture, we have

Hope this helps!

:)

Explanation:

Let say right triangle ABC has A = 90 deg.

=> BC is hypotenuse.

=> BC = AC x BC/AC = AC/(AC/BC) =AC/cosC.

That's the way we've done!

c. prove the lengths are the same.

step-by-step explanation:

you need to prove the segments are congruent. congruent segments have the same length. find the lengths of the segments using the distance formula, and compare them.

answer: c. prove the lengths are the same.

the answer is 40.

proof: