Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Geometry

Question:

Two circles touch each other externally.  The distance between their centers is 13 cm.  If the radius of one circle is 6 cm, then the radius of the other circle is?

Options:

7 cm

3 cm

4 cm

1 cm

Correct Answer:

7 cm

Explanation:

OO1 = OA + AO1

13 = OA + 6

OA = 7 cm