the ratio between the sides of a triangle are 3:5:7 and its perimeter is 300 cm find the sides of triangle
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Answered by
39
here your answer...
let 3:5:7 be 3x +5x+7x .
3x +5x+7x =300
15 x=300
x = 300/15
x = 20...
3x = 3*20=60..
5x = 5*20=100..
7x=7*20= 140....
hope it helps you...
let 3:5:7 be 3x +5x+7x .
3x +5x+7x =300
15 x=300
x = 300/15
x = 20...
3x = 3*20=60..
5x = 5*20=100..
7x=7*20= 140....
hope it helps you...
Answered by
9
perimeter of triangle=300cm
sides are in ratio 3:5:7
3x+5x+7x=300
15x=300
x=300÷15
x=20
sides are in ratio 3:5:7
3x+5x+7x=300
15x=300
x=300÷15
x=20
kManisha1:
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solve full sum
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