Question : The area of a circle is 2464 cm². What is the diameter of this circle?
[Use $\pi=\frac{22}{7}$]
Option 1: 56 cm
Option 2: 24 cm
Option 3: 48 cm
Option 4: 28 cm

Question

Question : The area of a circle is 2464 cm². What is the diameter of this circle?
[Use $\pi=\frac{22}{7}$]

Option 1: 56 cm

Option 2: 24 cm

Option 3: 48 cm

Option 4: 28 cm

Team Careers360 · Accepted Answer

Correct Answer: 56 cm

Solution : The area of a circle, where r is the radius of the circle.
Area = $\pi r^2$
$⇒r = \sqrt{\frac{ ext{Area}}{\pi}}$
$⇒r = \sqrt{\frac{2464}{\frac{22}{7}}} = 28 ext{ cm}$
The diameter of the circle is twice the radius.
$ ext{Diameter} = 2r = 2 imes 28 = 56 ext{ cm}$
Hence, the correct answer is 56 cm.

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Question : The area of a circle is 2464 cm2. What is the diameter of this circle? [Use π=227]Option 1: 56 cmOption 2: 24 cmOption 3: 48 cmOption 4: 28 cm

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Question : The area of a circle is 2464 cm². What is the diameter of this circle?
[Use $π = \frac{22}{7}$ ]
Option 1: 56 cm
Option 2: 24 cm
Option 3: 48 cm
Option 4: 28 cm