Indian Institute of Foreign Trade 2017 Solved Paper

Question : 72 of 114

Marks: +1, -0

A chord AB of length 24 cm is drawn in a circle of radius 13 cm. Find the area of the shaded portion APB.

Solution:

Choice (C) Height of the triangle OAB

= √{ 13 ^ { 2 } - 12 ^ { 2 } } = 5

Required area will be
area of the sector – area of triangle OAB

= { x } /{ 360 }× π( 13 ^ { 2 } ) - { 24 × 5 }/ { 2 } = { 169 π x } /{ 360 } - 60

Go to Question:

Prev Question

Next Question