Adjacent Angles

Definition of Adjacent Angles

• Adjacent angles share a common vertex and a common side, but do not overlap.

 

Examples of Adjacent Angles

• In the figure shown, a and b are  adjacent angles. They have a common vertex O and a common side OA.

                                                                                  

Solved Example on Adjacent Angles

and are adjacent angles. Find , if and .

Choices:

A. 90

B. 26

C. 80

D. 16

Correct Answer : B

Solution:

Step 1:

Step 2: = 58 - 32 = 26

                                               

Related Terms for Adjacent Angles

• Vertex
• Side
• Angle

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