Question

give the sum property of triangle
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Answer 1

Answer:

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Step-by-step explanation:

Theorem 1: Angle sum property of triangle states that the sum of interior angles of a triangle is 180°. Proof: Consider a ∆ABC, as shown in the figure below. ... Thus, the sum of the interior angles of a triangle is 180°.

Answer 2

Answer:

• A triangle has three sides, three vertices ,and three angles.
• the sum of the three interior angles of a triangle is always 180°.
• the sum of length if two sides of triangle is always greater than the length of third side.