Question

The measure of one of the angles of an isosceles triangle is 100 degree. Calculate the other two angles.​

Answer 1

Answer:

Isoceles triangles has two equal sides and hence two equal angles.

Let angles be x

Then,

x° + x° + 100° = 180°

As sum of all angles is 180°

2x° = 80°

x° = 40°

Hence, two other angles are 40° and 40°

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Answer 2

Answer:

x+x+100=180

2x=180-100

2x=80

x=40