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Chapter 1: Q12. (page 31)

Given the diagram, tell whether you can reach the conclusion shown.

Name the vertex and sides of ∠1.

Short Answer

Expert verified

The required vertex is Xand required sides are AXand XD.

Step by step solution

01

Step 1. Definition of side and vertex of an angle.

The side is that part of an angle which helps in the formation of that angle and these sides represents itself as rays and the meeting point of these rays is the same.

The vertex is that part of an angle where both the sides of the angle meet with each other and it is the point where both the rays end.

02

Step 2. Make an observation by using the definition.

The ∠1consists of two rays which are AXand XDbecause these rays help in the formation of ∠1also the point where these rays ends and the meeting of these rays represented by point role="math" localid="1649226468864" X so this point is the vertex of the ∠1.

03

Step 3. Make the conclusion.

As the vertex that is ∠1and sides AXand XDare relating with the definition of side and vertex of an angle so these are the required vertex and sides.

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