burnsmykala23
29.01.2021 •
Mathematics
a large rectangular movie screen in an imax theater has an area of 9546 square feet. find the dimensions of the screen if it's 25 feet longer than it is wide
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Ответ:
answer:
step-by-step explanation:
here x represents the height of the pole,
and, the height of the shadow of the pole is 12 feet.
also, the angle of elevation from the top of the pole is 40°,
therefore,
by the low of sine,
which is the required equation for finding the value of x,