Question

in exercises 3 - 6, use a ruler to measure the length of the segment to the nearest tenth of a centimeter. (see example 1.)
3.
4.
5.
6.
construction in exercises 7 and 8, use a compass and straightedge to construct a copy of the segment.

1. copy the segment in exercise 3.
2. copy the segment in exercise 4

Explanation:

Step1: Take a ruler

Place the zero - mark of the ruler at one end - point of the line segment.

Step2: Read the measurement

Read the value on the ruler at the other end - point of the line segment and round to the nearest tenth of a centimeter.

Since no actual ruler measurement can be done here, for exercises 3 - 6, you would follow the above two steps for each line segment.

For exercises 7 and 8 (construction):

Step1: Place the compass

Place the point of the compass at one end - point of the given segment.

Step2: Set the compass width

Open the compass so that the other end of the compass is at the other end - point of the given segment, thus setting the width of the compass to the length of the segment.

Step3: Draw an arc

Draw a ray with a straightedge. Place the point of the compass at one end of the ray and draw an arc that intersects the ray. The length of the segment from the starting - point of the ray to the intersection point is a copy of the original segment.

Answer:

For exercises 3 - 6: The length of each segment (you need to measure with a ruler). For exercises 7 and 8: A copy of the respective segments can be constructed using the compass and straightedge as described above.