Question

Find the area of circle,whose circumference is 5.28 metres​

Answer 1

Given :-

• Shape = Circle
• Circumference of Circle = 5.28m

To Find :-

• The Area of the Circle

Solution :-

➞ Circumference of Circle = 2π

➞ 5.28 = 2 × 22/7 × Radius

➞ 5.28 ÷ 2 = 22/7 × Radius

➞ 2.64 = 22/7 × Radius

➞ 2.64 × 7 ÷ 22 = Radius

➞ 18.48 ÷ 22 = Radius

➞ 0.84m = Radius

Therefore, Radius of the Circle is 0.84m

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➞ Area of Circle = πr²

➞ Area of Circle = 22/7 × (0.84)²

➞ Area of Circle = 22/7 × 0.84 × 0.84

➞ Area of Circle = 22 × 0.7056 /7

➞ Area of Circle = 15.5232/7

➞ Area of Circle = 2.21m²

Therefore, Area of the Circle is 2.21m²

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★ Additional Info :

• Formulas Related to Circle :
• Circumference of Circle = 2πr
• Area of Circle = πr²
• Diameter of Circle = 2r
• Radius of Circle = D/2

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Answer 2

Step-by-step explanation:

Circle

Solve for area

A≈2.22m²

C Circumference

5.28

m

Using the formulas

A=πr2

C=2πr

Solving forA

A=C2

4π=5.282

4·π≈2.21849m²