You are here
Ex 9.3, 1 - Chapter 9 Class 9 Circles
Last updated at April 16, 2024 by Teachoo
You saved atleast 2 minutes by viewing the ad-free version of this page. Thank you for being a part of Teachoo Black.
Transcript
Ex 9.3, 1 In the given figure, A, B and C are three points on a circle with centre O such that BOC = 30 and AOB = 60 . If D is a point on the circle other than the arc ABC, find ADC. AOC = AOB + BOC = 60 + 30 = 90 Arc ABC subtends AOC at centre of circle. And ADC on point D AOC = 2 ADC 90 = 2 ADC 2 ADC = 90 ADC = 1/2 90 ADC = 45
