Question

two anhles of a triangle are equal and its third angle is double of the equal angle.find the measure of the 3 angles of the triangle​

Answer 1

Answer:

1st and 2nd angle is 30

and,3rd angle is 120.

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Answer 2

Let the equal angles be x°.

So, 3rd angle = 2x°.

As we know that the sum of all angles of a triangle is 180°,

so we can write the following equation-

x+x+2x = 180

or, 2x+2x = 180

or, 4x = 180

or, x = 180/4

or, x = 45.

So,

the measure of equal angles = x° = 45°.

and third angle = 2x° = (2×45)° = 90°.

Hence, angle.find the measure of the three angles of the triangle are 45°, 45° and 90°.