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Chapter 3: Q. 3.69 (page 356)

The measures of two angles of a triangle are 49 and 75 degrees. Find the measure of the third angle.

Short Answer

Expert verified

The third angle of a triangle is 56 degrees.

Step by step solution

01

Step 1. Given information

The given angles of triangles are 49 and 75 degrees.

02

Step 2. Known information 

The total value of angles is 180 degrees.

03

Step 3. Solution 

the third angle is be x.

49+75+x=180124+x=180x=180-124x=56

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