Question

The exterior angle of a triangle is 110º and one of its opposite angles is 30º. Find the other two angles of
the triangle

Answer 1

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5c6378364f95e450c0133469f9e1c8c4.pptx

Answer 2

Let the other opposite angle be 'x' and the third angle in the triangle be 'y'
Exterior angle=sum of the two opposite angles
By the problem,
110=30+x
⇒x=110-30
⇒x=80
Now,by angle sum property,
80+30+y=180
⇒y=180-110
⇒y=70