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The Perimeter of a Rectangle is 130 Cm. If the Breadth of the Rectangle is 30 Cm, Find Its Length. Also Find the Area of the Rectangle. - Mathematics

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Question

The perimeter of a rectangle is 130 cm. If the breadth of the rectangle is 30 cm, find its length. Also find the area of the rectangle.

Solution

Perimeter = 2 (Length + Breadth) = 130

2 (Length + 30) = 130

Length + 30 = 65

Length = 65 − 30 = 35 cm

Area = Length × Breadth = 35 × 30 = 1050 cm2

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Chapter 11: Perimeter and Area - Exercise 11.1 [Page 208]

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NCERT Mathematics [English] Class 7
Chapter 11 Perimeter and Area
Exercise 11.1 | Q 7 | Page 208
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