Question

If one angle of a triangle is 100

and the other two angles are
equal, what is the measure of
each unknown angle?
(I know nobody has answered this yet..)

Answer 1

40

Step-by-step explanation:

180-100=80÷2=40

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Answer 2

both unknown angles: 40°

Step-by-step explanation:

• let the angle be x,
• so both angles together would be 2x

total interior angle of the triangle is 180°

solve:

x + x = 100 = 180

2x = 180° - 100°

2x = 80°

x = 40°