Select Page

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