Question

If the two angles of Triangle are 30 and 40 respectively. Then measure of the third angle is.... ​

Answer 1

THE SUM OF THREE ANGLES OF A TRIANGLE IS 180 DEGREES

TWO ANGLES=30° AND 40°

30°+40°+X=180°

180-30-40=X

110=X

SO THE THIRD ANGLE IS 110°

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Answer 2

Two angles of the triangles => 30 and 40

The measure of third angles => 30 + 40 - 180 =

30 + 40 = 70

180 - 70 = 110

Hence, The sum of the third angles = 110

Solution:

We know that the sum of the three angles always adds up to 180°

So to find the third angles we add the two angles and subtract the sum of the two angles from 180

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