Given: < 2 and < 3 form a linear pair, < 1 and < 3 are vertical angles, and m< 1,m< 4, and m< 5 form a straight angle

Attached is the drawing that shows that

1, 4, and 5 form a straight angle (straight line)2 and 3 form a linear pair (next to each other and create a straight line)1 and 3 are vertical angles (opposite sides of the X)

The 40 would include the shirt and on and on

There are two bc a studen that equals to 2