the interior angle of Pentagon are in the ratio 4:5:6:7:5 find the smallest Pentagon???
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Step-by-step explanation:
4x:5x:6x:7x:5x
4x+5x+6x+7x+5x=540⁰
27x=540⁰
x=540/27=20⁰
4x=20×4=80
5x=20×5=100
6x=20×6=120
7x=20×7=140
5x=20×5=100
the smallest angle is 80⁰
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