Question

an exterior angle of a triangle is 110 degree and one of the interior opposite angle is 30 degree find the other interior opposite angle

Answer 1

Answer:

let the other interior angle be x

x+30 = 110 (exterior angle axiom)

x= 110-30

x= 80

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Other angle opposite to the exterior angle will be 90° (Exterior angle property)

By using ANGLE SUM PROPERTY :

the last angle will be 70°

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