Multiple choice

The distance between the centers of equal circle each of radius 3cm is 10cm. The length of a transverse tangent is-

  1. 4 cm

  2. 6 cm

  3. 8 cm

  4. 10 cm
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

For two circles of equal radius r with centers distance d apart, the length of a transverse common tangent is √(d² - 4r²). Here: √(10² - 4×3²) = √(100 - 36) = √64 = 8 cm. The tangent connects the circles without crossing the line joining centers.

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