Why is it important to use a straightedge when copying a line segment?(1 point) Since line segments can be any length, it is important to use a straightedge for longer line segments. A straightedge is less important when drawing short line segments though. Since lines must be straight, and line segments are sections of lines, a straightedge must be used to keep the line segment straight. Since rulers are straightedges, it is important to use them to make sure the length of line segments are the same. Using a straightedge helps you to draw the new line segment at the same angle as the original line segment.

2/3

step-by-step explanation:

the slope of a line is equal to the rise/run. in this case the line rises 2 units for every +3 units it moves

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.

the answer is a.

135 and 80

step-by-step explanation:

thus, the first answer choice, y = sec x, is the correct one