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Need a quick answer please

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User Callam
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Answer:

A

General Formulas and Concepts:

Geometry

  • Sum of Angles in a shape: 180(n - 2)
  • All angles in a triangle add up to 180°

Explanation:

The interior angles of a triangle will always add up to 180°.

A triangle has 3 sides: n = 3

180(3 - 2)

180(1)

180°

User Shamm
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