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What is the sum of the internal angles of a triangle?

September 3, 2026Mathematics

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Answer

\text{180}

3 steps

The question asks for the sum of the internal angles of a triangle.

Recall the fundamental theorem of Euclidean geometry regarding triangles.
The sum of the interior angles of any triangle is always constant.
State the value of this constant sum.
The sum of the internal angles of a triangle is $\text{180 degrees}$ .
Compare this value with the given options.
The options are 120, 90, 180, and 360. The correct option is 180.

The sum of the internal angles of a triangle is $\text{180 degrees}$ .
$\text{180}$

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