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Chapter 3: Q33. (page 115)

Name or state the postulate, definition, or theorem that justifies each statement about the diagram.

m鈭�1+m鈭�2+m鈭�DAB=180掳

Short Answer

Expert verified

The sum of all angles of 螖BADis 180掳.

Step by step solution

01

Step 1. Find the theorem that can be used.

Theorem 3-11 states that the sum of measures of all the angles of a triangle is180掳.

02

Step 2. Apply the theorem.

In the given figure, in triangle 螖BAD the sum of all the angles is equal to 180掳which is given as

m鈭�BDA+m鈭�DAB+m鈭�ABD=180掳.

03

Step 3. Draw the conclusion.

As the sum of the angle is 180掳, we get m鈭�1+m鈭�2+m鈭�DAB=180掳.

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Most popular questions from this chapter

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