1. | The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle? |
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Answer: Option B Explanation:
2l + 2b = 5b 3b = 2l
Then, Area = 216 cm2 l x b = 216
l2 = 324 l = 18 cm. |