Answered

the length of a rectangle is three times its width . if the perimeter of the rectangle is 40 cm find its area

Verified Answer :

DudeMagic

Divide 40 by 4 =10
3 times the width of the length = 30
30 times 10 = 300

3w+3w+w+w=8w ... 40/8=5 ...w=5 l(3w)=15 ... 5x15=75 so the area is 75

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