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Chapter 1: Q13. (page 30)

Name three angles that have vertex D. Which angles with vertex D are adjacent angles?

Short Answer

Expert verified

The required three angles are ∠ABD, ∠BDC, and ∠ADC in which∠ABD and∠BDC are those angles which are adjacent.

Step by step solution

01

Step 1. Definition of angle.

The formation of an angle is done with the help of ray which are 2 in count and an end point that is common.

02

Step 2. Identify the angles that are having same vertex D.

For vertex D, only three angles having same vertex are present in given figure which are ∠ABD, ∠BDCand ∠ADC.

03

Step 3. Determine the adjacent angles.

The angles ∠ABD, ∠BDCand ∠ADCare having same vertex D but only two of them contains the same side width="25">BD which are∠ABD and ∠BDCso these are the required adjacent angles.

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