1.

PQR is an equilateral triangle whose side is 10 cm . What is the value (in cm) of the inradius of triangle PQR ?

A. 10
B. $$ {5 over{ sqrt{3}}}$$
C. $$ {10 over{ sqrt{3}}}$$
D. $$ {10{ sqrt{3}}}$$
Answer» C. $$ {10 over{ sqrt{3}}}$$


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