Question

Each of the two equal angles of a triangle is twice the
third angle. Find the angles of the triangles
with working​

Answer 1

If the third angle is x, the other two angles are 2x

The measure of the angles of a triangle must add up to 180 degrees

x + 2(2x) = 180

x + 4x = 180

5x = 180

x = 36

The other two angles are 2x = 2 * 36 = 72

The three angles are 36, 72, and 72 degrees

Answer 2

Answer:

1 = 72

2 = 72\

3 = 36

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Step-by-step explanation:

x = third angle

2x + 2x + x = 180

5x = 180

x = 180/5

x = 36

36 x 2 = 72

72 + 72 + 36 = 180 therefore, measure of triangle 1 and 2 = 72 degrees

and of angle 3 = 36 degrees