ICSE Class 7 Answered
the length of a rectangle is 5cm more than twice its breadth. If the perimeter is 118cm. Find its length and breadth. Then find its area.
Asked by shirdhankarc | 10 Jan, 2019, 06:16: PM
Expert Answer
Let l is length and b is breadth of rectangle.
By given information : l = (2b+5)
Perimeter = 2l+2b = 2×(2b+5) + 2b = 6b+10 = 118 cm
hence, 6b = 108 cm or b = 18 cm ; l = 2×18+5 = 41 cm ; Area = 41×18 = 738 cm2
Answered by Thiyagarajan K | 10 Jan, 2019, 09:44: PM
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