Class 5 Exam > Class 5 Questions > Perimeter of a circle is 1.1 cm. Find the are...
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Perimeter of a circle is 1.1 cm. Find the area of the circle.
- a)0.9625cm2
- b)0.09605cm2
- c)0.06625cm2
- d)0.09625cm2
- e)None of these
Correct answer is option 'D'. Can you explain this answer?
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Perimeter of a circle is 1.1 cm. Find the area of the circle.a)0.9625c...
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Perimeter of a circle is 1.1 cm. Find the area of the circle.a)0.9625c...
To find the area of a circle, we need to know either the radius or the diameter of the circle. However, in this question, we are only given the perimeter of the circle.
Perimeter is defined as the distance around the outside of a shape. For a circle, the perimeter is also known as the circumference. The formula to calculate the circumference of a circle is:
C = 2πr
where C is the circumference, π (pi) is a mathematical constant approximately equal to 3.14159, and r is the radius of the circle.
Since we are given the perimeter of the circle as 1.1 cm, we can set up the equation as follows:
1.1 cm = 2πr
To find the radius, we need to isolate it on one side of the equation. Divide both sides of the equation by 2π:
1.1 cm / 2π = r
Now we can calculate the value of r using a calculator:
r ≈ 0.175 cm
Once we have the radius, we can calculate the area of the circle using the formula:
A = πr²
Substituting the value of r:
A = π(0.175 cm)²
A ≈ 0.09625 cm²
So the correct answer is option D, 0.09625 cm².
Perimeter is defined as the distance around the outside of a shape. For a circle, the perimeter is also known as the circumference. The formula to calculate the circumference of a circle is:
C = 2πr
where C is the circumference, π (pi) is a mathematical constant approximately equal to 3.14159, and r is the radius of the circle.
Since we are given the perimeter of the circle as 1.1 cm, we can set up the equation as follows:
1.1 cm = 2πr
To find the radius, we need to isolate it on one side of the equation. Divide both sides of the equation by 2π:
1.1 cm / 2π = r
Now we can calculate the value of r using a calculator:
r ≈ 0.175 cm
Once we have the radius, we can calculate the area of the circle using the formula:
A = πr²
Substituting the value of r:
A = π(0.175 cm)²
A ≈ 0.09625 cm²
So the correct answer is option D, 0.09625 cm².
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Perimeter of a circle is 1.1 cm. Find the area of the circle.a)0.9625cm2b)0.09605cm2c)0.06625cm2d)0.09625cm2e)None of theseCorrect answer is option 'D'. Can you explain this answer?
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Perimeter of a circle is 1.1 cm. Find the area of the circle.a)0.9625cm2b)0.09605cm2c)0.06625cm2d)0.09625cm2e)None of theseCorrect answer is option 'D'. Can you explain this answer? for Class 5 2024 is part of Class 5 preparation. The Question and answers have been prepared according to the Class 5 exam syllabus. Information about Perimeter of a circle is 1.1 cm. Find the area of the circle.a)0.9625cm2b)0.09605cm2c)0.06625cm2d)0.09625cm2e)None of theseCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 5 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Perimeter of a circle is 1.1 cm. Find the area of the circle.a)0.9625cm2b)0.09605cm2c)0.06625cm2d)0.09625cm2e)None of theseCorrect answer is option 'D'. Can you explain this answer?.
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