The side of a triangle are in the ratio 3:5:7 and it's perimeter is 450 cm .Find the area of the triangle
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3x+5x+7x=450
15x=450
x=450/15
x=30cm
3x=3*30=90
5x=5*30=150
7x=7*30=210
Pls mark me as brainliest
15x=450
x=450/15
x=30cm
3x=3*30=90
5x=5*30=150
7x=7*30=210
Pls mark me as brainliest
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