Question

A pair of angles are supplementary if one of them is 120° find the size of the other angle

Answer 1

Answer:

60°.

Supplementary angle= 180°.

So, let's take remaining value as x,

120 + x = 180.

x = 180 - 120

x = 60°.

Step-by-step explanation:

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Answer 2

Answer:

60 degree

Step-by-step explanation:

supplementary =180 degree

180-120=60

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