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Two circles are tangent to each other. If the radius of the first circle is 3 cm

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Question: Two circles are tangent to each other. If the radius of the first circle is 3 cm and the second is 5 cm, what is the distance between their centers?

Options:

  1. 2 cm
  2. 8 cm
  3. 3 cm
  4. 5 cm

Correct Answer: 8 cm

Solution: 

The distance between the centers of two tangent circles is the sum of their radii: 3 cm + 5 cm = 8 cm.

Two circles are tangent to each other. If the radius of the first circle is 3 cm

Practice Questions

Q1
Two circles are tangent to each other. If the radius of the first circle is 3 cm and the second is 5 cm, what is the distance between their centers?
  1. 2 cm
  2. 8 cm
  3. 3 cm
  4. 5 cm

Questions & Step-by-Step Solutions

Two circles are tangent to each other. If the radius of the first circle is 3 cm and the second is 5 cm, what is the distance between their centers?
  • Tangency of Circles – Understanding that when two circles are tangent to each other, the distance between their centers is equal to the sum of their radii.
  • Circle Geometry – Applying basic properties of circles, specifically the relationship between radius and distance between centers.
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