3 years ago

The perimeter of a movie screen is 54 meters. The screen is 18 meters wide. How tall is it?

1 answer:

8 0

Assuming the movie screen is rectangular, the answer would be 8 meters tall. Because the perimeter is 2 times width plus 2 times height, you can subtract 36 (18 times 2) from 54. This leaves you with 18, which is 2 times height. Divide both by two and you get 9

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