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Work out the value of x

Work out the value of x
asked 131k views
13 votes
Work out the value of x

Work out the value of x-example-1
asked
User Frenz
by
8.3k points

1 Answer

14 votes

Answer:

42°

Explanation:

Angles on one side of a straight line always add up to 180.

Therefore: 180° - 123° = 57°

So, 57° + 81° =138°

x=180° -138° = 42°

answered
User Jannis M
by
9.2k points
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