alleryStart learning →A triangle with sides 7, 9 and 10 cm has an incircle. The tangent length from the vertex opposite the 9 cm side is
A6 cm
B3 cm
C5 cm
D4 cm
Answer & Solution
Correct answer: D. 4 cm
Tangent lengths from a vertex equal the semiperimeter minus the opposite side, 13 - 9 = 4 cm.
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