A large rectangular movie screen in an IMAX theater has an area of 7,776 square feet.

A large rectangular movie screen in an IMAX theater has an area of 7,776 square feet. Find the dimensions of the screen if it is 15 feet longer than it is wide.
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1 Answer

rektangel, area=7776, leng=wide+15

area=leng*wide

(wide+15)*wide=7776

wide^2 +15wide -7776=0

quadratik equashun giv zeroes=81 & -96

tri wide=81, then leng=81+15=96

81*96=7776
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