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In a heptagon, the sum of the measures of 4 of the angles is 478 degrees. What is the sum of the measures of the other 3 angles?

In a heptagon, the sum of the measures of 4 of the angles is 478 degrees. What is the sum of the measures of the other 3 angles?
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In a heptagon, the sum of the measures of 4 of the angles is 478 degrees. What is the sum of the measures of the other 3 angles?

User Fight Fire With Fire
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Given that the heptagon has a interior angles sum of 900, the 3 angles is 900 - 478 = 422 degree.
User Zahid Rasheed
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