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Given Modifying above Upper A Upper B with bar, explain how to construct a square with sides of length AB.

To construct a square with sides of length AB, we can use the modifying line above AB, represented as AB with a bar on top.

1. Begin by drawing line segment AB with the given length using a ruler.
2. Place the point of your compass on point A and open it to a distance equal to the length of AB.
3. Draw an arc above AB that intersects the line segment when the compass is placed on point B.
4. Without changing the compass width, place the point of the compass on point B and draw another arc above AB. This arc should intersect the previous arc drawn.
5. Label the points of intersection as C and D.
6. Draw line segments CD to connect points C and D.
7. Finally, draw line segments AD and BC to complete the square.

By following these steps, you would have successfully constructed a square with sides of length AB.

To construct a square with sides of length AB, follow these steps:

Step 1: Draw line segment AB of the desired length.

Step 2: Place the compass at point A and swing an arc that intersects line AB.

Step 3: Without changing the compass width, place the compass at point B and swing another arc, intersecting the previous arc.

Step 4: Label the points of intersection as C and D.

Step 5: Join points C and D to form a line segment CD.

Step 6: From point C, draw an arc with the same radius as before, intersecting line segment CD.

Step 7: Repeat step 6 from point D to find another point of intersection.

Step 8: Label the points of intersection as E and F.

Step 9: Join points E and F to complete the square ABCD.

Ensure that all sides and angles are equal to confirm that the square is constructed accurately.