1. Triangle PQR has angle PRQ equal to 90 degrees. What is the value of PR + RQ?A. Diameter of the inscribed circle of the triangle PQR is equal to 10 cm. B. Diameter of the circumscribed circle of the triangle PQR is equal to 18 cm





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  • By: anil on 05 May 2019 02.31 am
    Let a,b and c be length of PR, QR and PQ. By 2nd statement we know that c=18 and also area = (a*b*c)/9 and by using statement A we have area = inradius*(a+b+c)/c. Using both the equations we can find out value of PR + RQ . Hence option C.
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