Maths / Triangles / Exterior Angle Property

QUESTION
 

An exterior angle of a triangle is equal to 100^0 and two interior opposite angles are equal.Each of these angles is equal to

OPTIONS
A. 

75^0

B. 

80^0

C. 

40^0

D. 

50^0

Right Option : D

EXPLANATION
Explain TypeExplanation Content
Text

Let the equal angles be x

exterior angle = sum of interior opposite angles

x + x = 100

2x = 100

x = 50

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