Question

10:43
36
listen
use the figure.
identify the linear pair(s) that include ∠1.
∠1 and ∠2
∠1 and ∠3
∠1 and ∠4
∠1 and ∠5

Explanation:

Step1: Recall linear - pair definition

A linear pair of angles is a pair of adjacent angles whose non - common sides are opposite rays and the sum of the angles in a linear pair is 180 degrees.

Step2: Analyze the angles adjacent to ∠1

∠1 is adjacent to ∠2 and ∠5. The non - common sides of ∠1 and ∠2, and ∠1 and ∠5 are opposite rays.

Step3: Determine the linear pairs

The linear pairs that include ∠1 are ∠1 and ∠2, and ∠1 and ∠5.

Answer:

∠1 and ∠2, ∠1 and ∠5