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Mensuration 2 Area of Circle | Mensuration 2 Exercise 21.1

Question 13

A rhombus has the same perimeter as the circumference of the circle. If the side of the rhombus is 2.2m, find the radius of the circle.

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Given the side of a rhombus = 2.2 m

We know that the perimeter of the rhombus = 4 x side

= 4 x 2.2 m

= 8.8 m.

According to the question it is clear that,

Perimeter of the rhombus = Circumference of the circle

8.8 = 2 π r

8.8 = 2 × (22/7) × r

r = (8.8 × 7)/ 44

r = 61.6/44

r = 1.4 m

Therefore radius of the circle = 1.4m

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Question 13

A rhombus has the same perimeter as the circumference of the circle. If the side of the rhombus is 2.2m, find the radius of the circle.

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

Given the side of a rhombus = 2.2 m

We know that the perimeter of the rhombus = 4 x side

= 4 x 2.2 m

= 8.8 m.

According to the question it is clear that,

Perimeter of the rhombus = Circumference of the circle

8.8 = 2 π r

8.8 = 2 × (22/7) × r

r = (8.8 × 7)/ 44

r = 61.6/44

r = 1.4 m

Therefore radius of the circle = 1.4m

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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