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irina1246 [14]
4 years ago
11

The measure of two vertically opposite angles are 140° and (x+40)°respectively. find the value of x.

Mathematics
1 answer:
Leya [2.2K]4 years ago
5 0

Answer:

x = 100

Step-by-step explanation:

vertically opposite angles are congruent, hence

x + 40 = 140 ( subtract 40 from both sides )

x = 100


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