Question

An exterior angle of a triangle is equal to 100° and two interior opposite angles are equal, each of these angles is equal to
A. 75°
B. 80°
C. 40°
D. 50°

Answer 1

Answer:

50 degree

Step-by-step explanation:

okay so the degree of mesure of an exterior angle is equal to the sum of its two opposite interior angles.

so, let the two equal angles be x.

now as isaid above,

x + x = 100

2x = 100

x= 50

hence mesure of one angle is 50 degree.

hope it helps.

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