Math, asked by BMsingpho451, 8 months ago

Three angles on a straight line are 20 40 and ?? . find the other angle

Answers

Answered by lachimolala59
1

Answer:

120°

Step-by-step explanation:

Angles on one line are measured as 180° that

is the straight angle so

20+40=60 and

60-180=120

so the answer is 120°

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