Engineering
Mathematics
Circumradius Inradius and exradius
Question
ΔABC has sides AB = 15, BC = 16, CA = 11 and a circle is inscribed in ΔABC touching the sides AB, BC and CA at P, Q, R respectively, then the length of side BQ is
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Solution
We know, BQ = (s – b) where s is semi-perimeter of ΔABC
Hence, BQ = 10
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