alleryStart learning →A circle has radius 5 cm. A point P is 13 cm from the centre. The tangent length from P is
A18 cm
B12 cm
C10 cm
D8 cm
Answer & Solution
Correct answer: B. 12 cm
The tangent is perpendicular to the radius, so length = square root of 169 - 25 = 12 cm.
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