Answer 75
Step-by-step explanation:
first set up the equation for Pythagorean theorem
(45^2)+(60^2)=c^2
square A and B to get 3600+2025=c^2
or 5625=c^2
square root both sides to get 75=c
Answer:
1) PN
2) MN
3) 8
4) 8