Question

one angle of an isosceles. Triangle is 100degree what are the other two triangle

Answer 1

Answer:

The other two angles are 40°

Step-by-step explanation:

We know that the sum of angles of a Triangle is 180°

We also know that the base angles of an isosceles Triangle are Equal.

So,

Let the base one base angle be = X

=> 100 + x + x = 180°

=> 100 + 2x = 180

=> 2x = 180 -100 [Transposition]

=> 2x = 80

=> x = 80/2 = 40°

Hence proved.

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