Math, asked by soundharya2006p7d4mc, 11 months ago

Find the given attachment and explain it

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Answers

Answered by BEJOICE
1
According to triangle exterior angle theorem, "exterior angle of a triangle is equal to sum of opposite interior angles".

As per this, option A is true.
angle a + angle d is sum of interior angles.
Exterior angle is 60° since that triangle is equilateral
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