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jazel
:
what is the area of parallelogram whose side are 20 inches and 45 inches one of the angle is 30
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January 15, 2016 at 4:24am
Little Sky
:
Using the angle to find out the height,[deqn]\sin30^\circ=\frac{height}{hypothenuse}[/deqn][deqn]\sin30^\circ=\frac{height}{20~inches}[/deqn][deqn]height=20~inches\times\sin30^\circ[/deqn][deqn]height=20~inches\times1/2=10~inches[/deqn] Area = base * height = 45 * 10 = 450 square inches
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January 16, 2016 at 8:30am
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