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Work out the value of the missing angle x

Work out the value of the missing angle x-example-1

1 Answer

6 votes

Answer:

75

Explanation:

24 + 281 + 157 + 84 + 99 + x = 720 (4 triangles= 180×4)

x + 645 = 720

x = 720 - 645

x = 75

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