Question

Maths Find the circumferemces of the circles with the radious given below 7cm and 3.5cm

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Answer 1

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1.Circumference of circle = 2πr

Circumference = 2 × 22/7 × 7

Circumference = 44 cm

2. Circumference of circle = 2πr

Circumference = 2 × 22/7 × 3.5

Circumference = 22 cm

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Answer 2

Answer 1 :

Given :

• Shape = Circle
• Radius of Circle = 7cm

To Find :

• Circumference of Circle

Formula :

• Circumference of Circle = 2πr

Solution :

⟶ Circumference of Circle = 2πr

⟶ Circumference of Circle = 2 × 22/7 × 7

⟶ Circumference of Circle = 2 × 22

⟶ Circumference of Circle = 44cm

Thus Circumference of Circle is 44cm

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Answer 2 :

Given :

• Shape = Circle
• Radius of Circle = 3.5cm

To Find :

• Circumference of Circle

Formula :

• Circumference of Circle = 2πr

Solution :

⟶ Circumference = 2πr

⟶ Circumference = 2 × 22/7 × 3.5

⟶ Circumference = 2 × 22/7 × 35/10

⟶ Circumference = 2 × 22 × 5/10

⟶ Circumference = 44 × 5/10

⟶ Circumference = 220/10

⟶ Circumference = 22cm

Thus Circumference of Circle is 22cm

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