IDNLearn.com connects you with a global community of knowledgeable individuals. Discover reliable and timely information on any topic from our network of knowledgeable professionals.
Answer:
60 m
Step-by-step explanation:
A^2+b^2=c^2
a^2+45^2=75^2
a^2+2025=5625
a^2=3600
a=60