Question

An external angle of a triangle is 115° and its two interior opposite angles are equal then each angle is –

Answer 1

Answer:

Exterior angle is the sum of the opposite interior angle therefore 57.2 degrees

Answer 2

Answer:

Hey mate your answer is 57.5 degree.

Step-by-step explanation:

Given that,

An exterior angle of a triangle is 115 degree.

It's two interior opposite angles are equal.

Let the interior opposite angles be x & x.

According to exterior angle sum property of a triangle, The external angle of a triangle is always equal to the sum of its two interior opposite angles.

x+x=115

2x=115

x=115/2

x=57.5

hence, each interior opposite angles is 57.5 degree.

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