Question

find the third angle of a triangle if two of its angle are 120° and 30°​

Answer 1

Step-by-step explanation:

120+30+x=180

150+x=180

x=30 degree

Answer 2

Answer:

The sum of a triangle is 180 degrees

So, 180° - (120° + 30°)

→180° - 150°

→30°

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