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

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प्रश्न

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

बेरीज
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उत्तर

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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पाठ 12: Perimeter and Area - Practice Set 45 [पृष्ठ ८२]

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बालभारती Mathematics [English] Standard 7 Maharashtra State Board
पाठ 12 Perimeter and Area
Practice Set 45 | Q 3 | पृष्ठ ८२
बालभारती Mathematics Integrated [English] Standard 7 Maharashtra State Board
पाठ 12 Perimeter and Area
Practice Set 45 | Q 3. | पृष्ठ ६०

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