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If the diameter of a circle is 22 cm, then the radius of the circle is ____.
  • a)
    5.5 cm
  • b)
    11 cm
  • c)
    4.5 cm
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
If the diameter of a circle is 22 cm, then the radius of the circle is...
To find the radius of a circle when given the diameter, we can use the formula:

Radius = Diameter / 2

Let's solve the problem step by step:

Step 1: Given information
The diameter of the circle is 22 cm.

Step 2: Applying the formula
Using the formula mentioned above, we can calculate the radius:

Radius = Diameter / 2
Radius = 22 cm / 2

Step 3: Simplifying
Dividing 22 cm by 2 gives us:

Radius = 11 cm

Therefore, the radius of the circle is 11 cm.

Explanation:
- The diameter of a circle is the distance across the circle passing through the center. It is twice the length of the radius.
- The formula to find the radius of a circle when given the diameter is Radius = Diameter / 2.
- In this case, we are given a diameter of 22 cm, so we divide it by 2 to find the radius.
- Simplifying the calculation, we find that the radius is 11 cm.
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Community Answer
If the diameter of a circle is 22 cm, then the radius of the circle is...
11
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If the diameter of a circle is 22 cm, then the radius of the circle is ____.a)5.5 cmb)11 cmc)4.5 cmd)None of theseCorrect answer is option 'B'. Can you explain this answer?
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