Question

PQR is a 45-45-90 degree triangle. What is the length of PQ?

Can someone tell me what I did wrong? Thank you in advance!

Answer 1

Explanation:

`PQ =\sqrt{4^(2)+4^(2) } \\PQ =√(16+16 ) \\PQ =√(32 ) =4√(2)` (ANS)