- A15 cm
- B6 cm
- C9 cm
- D12 cm
Step-by-Step Solution
Tangent from , from . Let the tangent from A be : AB , AC . Pythagoras: . AB = 9 cm (AC = 15 cm is the hypotenuse).
Answer: C) 9 cm
A right triangle ABC (∠B = 90°) has BC = 12 cm and an inscribed circle of radius 3 cm. Find AB.
Class 10Tangent Lengths and IncirclesGeometry
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