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The Perimeter of a Rectangular Sheet is 100 Cm. If the Length is 35 Cm, Find Its Breadth. Also Find the Area. - Mathematics

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Question

The perimeter of a rectangular sheet is 100 cm. If the length is 35 cm, find its breadth. Also find the area.

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Solution

Perimeter = 2 (Length + Breadth) = 100 cm

2 (35 + Breadth) = 100

35 + B = 50

B = 50 − 35 = 15 cm

Area = Length × Breadth = 35 × 15 = 525 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 4 | Page 208

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