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9 December, 14:09

A pentagon has angle measures of 12x°, 7x°, 16x°, 9xº, and 10x°. Find the

value of x.

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Answers (1)
  1. 9 December, 15:28
    0
    10

    Step-by-step explanation:

    one interior angle in a pentagon is 108^o.

    5 interior angles are 540^o.

    If we add 12+7+16+9+10, we get 54x=540^o

    That means x=10
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