Question

The sum of two angles of a triangle is equal to its third angle . find the measure of third angle​

Answer 1

Answer:

let the angles be 1x,2x,3X

we know 1X+2X+3X=180°

6x=180°

x=30°

3x =3 X 30

=90°

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Answer 2

Step-by-step explanation:

hope it helps. ........ .