SOLUTION: The length of the diagonal of a television screen is 75 cm.If the screen is 45 cm wide, find the area of the screen.

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Question 1086265: The length of the diagonal of a television screen is 75 cm.If the screen is 45 cm wide, find the area of the screen.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the height using the Pythagorean theorem,
L%5E2%2BH%5E2=D%5E2
45%5E2%2BH%5E2=75%5E2
H%5E2=5625-2025
Solve for H then plug the value into the area formula,
A=LH
A=45Hcm%5E2