SOLUTION: The cover of a rectangular book has a diagonal length of 13.5 inches and a 9-inch side. What is the measure of the other side of the book to the nearest tenth of an inch?

Algebra ->  Pythagorean-theorem -> SOLUTION: The cover of a rectangular book has a diagonal length of 13.5 inches and a 9-inch side. What is the measure of the other side of the book to the nearest tenth of an inch?      Log On


   

Question 953892: The cover of a rectangular book has a diagonal length of 13.5 inches and a 9-inch side. What is the measure of the other side of the book to the nearest tenth of an inch?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
Hypotenuse=c=13.5 in; a=9 in.; b=other side
a%5E2%2Bb%5E2=c%5E2
b%5E2=c%5E2-a%5E2
b=sqrt%28c%5E2-a%5E2%29
other side=sqrt%2813.5%5E2-9%5E2%29=sqrt%28101.25%29=10.1 in
ANSWER: The length of the other side is 10.1 inches.