Question

Mrs. Wilson wants to buy a portable TV for her kitchen. She has space on her counter for a TV that is 18 inches high by 15 inches wide. The store salesperson asks for the length of the diagonal. What should she tell him?​

Answer 1

Leg^2+leg^2= hypotenuse^2
18^2+15^2=x^2
324+225=x^2
549=x^2
Find the square root of 549
Your answer is approximately 23.43 inches.