402,718 views
43 votes
43 votes
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..)

If one angle of a triangle is 100 and the other two angles are equal, what is the-example-1
User Brian Dishaw
by
3.0k points

2 Answers

12 votes
12 votes

Answer:

40

Step-by-step explanation:

180-100=80÷2=40

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have a good day

User Hadi Mir
by
2.4k points
19 votes
19 votes

Answer:

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°

User Cola
by
3.4k points