Q. 1163.7( 3 Votes )

In Fig. 6.33, find the measures of x and y.


Answer :

Formula Used/Theory:-


Angle sum property


Sum of all angles of triangle is 180°


Exterior angle is equal to sum of interior opposite angles


By angle sum property


x + 45° + 60° = 180°


x + 105° = 180°


x = 180°-105°


x = 75°


By exterior angle property


y = 60° + x


y = 60° + 75°


y = 135°


Result:- x = 75°; y = 135°


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