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WhyQ1.A wire is in the shape of a square of side 10 cm. If the wire is rebent into a rectangle of length 13 cm, find its breadth. Which shape encloses more area? |
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Answer» Answer: Let a be the SIDE of a square, l be the length and B be the BREADTH of rectangle. As length of wire is constant, perimeter of both SHAPES would be same, ⇒4a=2(l+b) ⇒40=2(12+b) ⇒b=18 cm Area of square=a 2 =10 2 =100cm 2
Area of rectangle=lb=12×18=216cm 2
⇒ Area of rectangle is greater by 116cm 2 . Step-by-step explanation: Thank my answer and mark me as brainist |
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