Generally I.S.I entrance hits the floor in the month of May. ISI 2018 Problem 2 discussion has been written for I.S.I preparation series.. The book, Challenge and Thrill of Pre-College Mathematics is very useful for preparation of I.S.I.

# The Problem

Suppose that (PQ) and (RS) are two chords of a circle intersecting at a point (O). It is given that (PO=3 \text{cm}) and (SO=4 \text{cm}). Moreover, the area of the triangle (POR) is (7 \text{cm}^2). Find the area of the triangle (QOS).

# Key Ideas

Also Visit: I.S.I & C.M.I entrance

- Power of a point
- I.S.I 2018 Problem 2 Discussion