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Maharashtra State BoardSSC (English Medium) 7th Standard

The area of a rectangle is 102 sqcm. If its length is 17 cm, what is its perimeter?

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Question

The area of a rectangle is 102 sqcm. If its length is 17 cm, what is its perimeter?

Sum
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Solution

Area of rectangle = l × b

102 = 17 × b

b = `102/17 = 6` cm

Perimeter of rectangle = 2(l + b)

= 2(17 + 6)

= 2 × 23

= 46 cm

∴ The Perimeter of the rectangle is 46 cm.

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Chapter 12: Perimeter and Area - Practice Set 45 [Page 82]

APPEARS IN

Balbharati Mathematics [English] Standard 7 Maharashtra State Board
Chapter 12 Perimeter and Area
Practice Set 45 | Q 3 | Page 82
Balbharati Mathematics Integrated [English] Standard 7 Maharashtra State Board
Chapter 12 Perimeter and Area
Practice Set 45 | Q 3. | Page 60

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