Question

by activity method prove that the sum of interior angles ok A triangle is 180° .Give a suitable example ...

plzz give me the answer
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Answer 1

hope this attachment helps you

Answer 2

After the matter in pics.. write this

Observation

Measure of ∠A = ………… ,

Measure of ∠B = ………… ,

Measure of ∠C = ………… ,

Hence, sum (∠A + ∠B + ∠C) = ………… .

Result

The sum of angles of a triangle is 180°, have been verified.

Application

This result can be used in many geometrical problems such as to find the sum of angles of a quadrilateral, pentagon and hexagon etc.

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