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adrijab from DELHI PUBLIC SCHOOL, PANIPAT REFINERY, Panipat

Subject :IMO Class : Class 9

The angle between internal and the external bisectors of an angle is ______.

(A) 90°

(B) 180°

(D) 30°

Ans 1:

Shrestha Dutta from Julien Day School, KALYANI

Class : Class 10

Let the angle be x. Ext angle of x=180-x ATQ, req angle=x/2+((180-x)/2)=180/2=90(ans) opt a

Shrestha Dutta from Julien Day School, KALYANI

Class : Class 10

Let the angle be x. Ext angle of x=180-x ATQ, req angle=x/2+((180-x)/2)=180/2=90(ans) opt a