. If in the following figure circle PQR is incircle of the triangle ABC. The length of BC will be:
A. 7 cm
B. 8 cm
C. 9 cm
D. 10 cm
Best Answer
Answer ||| C
Solution |||
We know that length of tangents drawn from a point outside the circle to the circle are equal.
⇒ BR = BP = 5cm
AR = AQ = 3cm
QC = PC = 4cm
So,BC = BP+PC = 5+4 = 9cm
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