The breadth of a rectangle is 2/3 times its length.find perimeter of the rectangle if its length is 18cm.
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let length =x
breadth = 2/3x
now
2(l+b) =18
2(x+2x/3)=18
2(3x+2x/3)=18
2(5x/3)= 18
10x/3=18
10x=18×3
x = 54/10
x=5.4
now length = 5.4
breadth=2/3×5.4= 3.6
I HOPE IT'S CORRECT AND I HELPED YOU......
breadth = 2/3x
now
2(l+b) =18
2(x+2x/3)=18
2(3x+2x/3)=18
2(5x/3)= 18
10x/3=18
10x=18×3
x = 54/10
x=5.4
now length = 5.4
breadth=2/3×5.4= 3.6
I HOPE IT'S CORRECT AND I HELPED YOU......
KNN33:
sorry but this is wrong
options are 1.60cm 2.90cm 3.70cm 4.50
1)60cm 2)90cm 3)70cm 4)50cm
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