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Two circles, each of radius 4 cm, touch externally. Each of these two circles is touched externally by a third circle. If these three circles have a common tangent, then the radius of the third circle, in cm, is
  • a)
  • b)
  • c)
  • d)
    1
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Two circles, each of radius 4 cm, touch externally. Each of these two ...

Let 'h' be the height of the triangle ABC
Area of triangle ABC = 
Height (h) = 

16r=16
r=1
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Two circles, each of radius 4 cm, touch externally. Each of these two circles is touched externally by a third circle. If these three circles have a common tangent, then the radius of the third circle, in cm, isa)b)c)d)1Correct answer is option 'D'. Can you explain this answer?
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Two circles, each of radius 4 cm, touch externally. Each of these two circles is touched externally by a third circle. If these three circles have a common tangent, then the radius of the third circle, in cm, isa)b)c)d)1Correct answer is option 'D'. Can you explain this answer? for CAT 2024 is part of CAT preparation. The Question and answers have been prepared according to the CAT exam syllabus. Information about Two circles, each of radius 4 cm, touch externally. Each of these two circles is touched externally by a third circle. If these three circles have a common tangent, then the radius of the third circle, in cm, isa)b)c)d)1Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for CAT 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two circles, each of radius 4 cm, touch externally. Each of these two circles is touched externally by a third circle. If these three circles have a common tangent, then the radius of the third circle, in cm, isa)b)c)d)1Correct answer is option 'D'. Can you explain this answer?.
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