write angle sum property of a triangle
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Theorem 1: Angle sum property of triangle states that the sum of interior angles of a triangle is 180°. Proof: ... Thus, the sum of the interior angles of a triangle is 180°.
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Answer:
We can this as:
∠a + ∠b + ∠c = 180°
How to Find the Interior Angles of a Triangle?
When two interior angles of a triangle are known, it is possible to determine the third angle using the Triangle Angle Sum Theorem. To find the third unknown angle of a triangle, subtract the sum of the two known angles from 180 degrees.
Let’s take a look at a few example problems:
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