Question

Two angles of a triangle are 40° and 30° then the third angle is​

Answer 1

Answer:

Third angle is 110°

Step-by-step explanation:

Let the third angle be 'x'

40° + 30° + x = 180° (Angle Sum Property Of Triangles)

70° + x = 180°

x = 110°

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Answer 2

Answer:

110°

Step-by-step explanation:

Think third angle as Variable 'x'

Angle sum property says that the sum of all Angles should be 180°

Then,40° + 30°=70

And 180°-70°=110, Because the angle sum property says that the sum of all Angles should be 180°

So The Value Of Variable X/Third angle=110°

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