Question

3. Prove that
exterior argles on angle of a
triangle is equal to sum of its two interior opposite
angles​

Answer 1

Answer:

Theorem: Prove that the sum of all the three angles of a triangle is 180 degrees or 2 right angles. Theorem 2: In a triangle, if one side is formed then the exterior angle formed will be equal to the sum of two interior opposite angles. ... A parallel line to the side AB is drawn.

Step-by-step explanation:

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Answer 2

Answer:

Theorem: An exterior angle of a triangle is equal to the sum of the opposite interior angles. In the figure above, drag the orange dots on any vertex to reshape the triangle. The exterior angle at B is always equal to the opposite interior angles at A and C.

Step-by-step explanation:

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