Does the construction demonstrate how to bisect a segment correctly by hand? Yes; the compass was kept at the same width to create the arcs for points C and D. Yes; a straightedge was used to create segment CD. No; the compass was not kept at the same width to create the arcs for points C and D. No; a straightedge was used to create segment CD.

Bisecting segment AB means dividing segment AB into two equal parts. So then the answer is option A. Yes; the compass was kept at the same width to create the arcs for points C and D.

In construction of angles and lines, bisection implies dividing either a given angle or line segment into two equal parts. This means after the construction, the two parts must have equal measure.

Considering the given question, to bisect a line segment:

1. Draw the required length of the line segment AB.

2. With point A and radius of the compass greater than half of AB, describe arcs above and below the segment.

3. With the same radius as in step 2 and point B, describe two arcs above and below the segment. These would intersect that of step 2 at C and D.

4. Join the points of intersection of the arcs with a straight line CD.

Thus, segment AB has been divided into two equal halves by bisection method.

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Yes

Step-by-step explanation:

The compass was kept at the same width to create the arcs for points C and D.

A straightedge was used to create segment

i think it is 70

step-by-step explanation: