kim643
27.01.2020 •
Mathematics
The area of a rectangle is 81 ft2. if the rectangle is 9 feet long, what is its width?
7 feet
8 feet
9 feet
10 feet
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Ответ:
Ответ:
Ответ:
53.13°
Step-by-step explanation:
Since you have a right-angle triangle,
And you have the opposite hand hypotenuse lengths.. you can use sin(x) = opposite/hypotenuse
sin(x) = 4/5
sin(x) = 0.8
x = (sin^-1)(0.8)
x = 53.13°
x = 53.13° to the nearest hundredth