Question

measure of one angle is 40 what will be the measure of its supplementary angle ??

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Answer 1

Answer:

180-40=140

Supplementary angles are those which sum up to 180

Answer 2

Answer: 140°

Step by step explanation :

Let the angle be 'α'

Supplementary angle = 180°

So, 40° + α = 180°

=> α = 180° - 40°

=> α = 140°

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