Engineering Board Exam Reviewer · Circles: Chords, Tangents and Secants · easy

Find the length of a tangent drawn from a point 13 cm from the center of a circle with radius 5 cm.

  1. 12 cm
  2. 10 cm
  3. 14 cm
  4. 8 cm

Answer

A. 12 cm

Solution

Tangent =sqrt(132-52)=sqrt(169-25)=sqrt(144)=12 cm.

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