Question

An angle of isosceles triangle is 100 degree
What is the exterior angle ??

Answer 1

Answer:

the exterior angle will be 80°

100°+ext.=180° (angle sum property)

ext.=80°

Answer 2

Answer:

Definition of exterior angle

1: the angle between a side of a polygon and an extended adjacent side

2: an angle formed by a transversal as it cuts one of two lines and situated on the outside of the line.

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