MathDB
ISI 2018 #2

Source: ISI 2018 B.Stat / B.Math Entrance Exam

May 13, 2018
isiIndian Statistical Institutegeometry

Problem Statement

Suppose that PQPQ and RSRS are two chords of a circle intersecting at a point OO. It is given that PO=3cmPO=3 \text{cm} and SO=4cmSO=4 \text{cm}. Moreover, the area of the triangle PORPOR is 7cm27 \text{cm}^2. Find the area of the triangle QOSQOS.