Geometry

Constructions Project

Name_____________________________________________________ Class Period_________

You will need the following tools: a compass and straightedge. Use the links to the videos at

the bottom of each problem to guide you in making your constructions. To receive credit

you must have all of the appropriate markings on your paper, proving you successfully

completed the task. If you need additional resources please visit the page below.

Additional Resources:

http://www.mathsisfun.com/geometry/constructions.html

1) Using a compass copy the following line segment.

A B

Copy Segment

http://www.mathopenref.com/constcopysegment.html Possible Points (6)_________________

2) Using a compass, copy the following angle.

A

B

C

Copy Angle

http://www.mathopenref.com/constcopyangle.html Possible Points (6)_________________

3) Using a compass bisect the following angle

R

S

T

Bisect an angle

http://www.mathopenref.com/constbisectangle.html Possible Points (6)_________________

4) Using a compass, construct a line perpendicular to the given line.

Construct perpendicular lines

http://www.mathopenref.com/constperplinepoint.html Possible Points (6)_________________

5) Using a compass construct the perpendicular bisector of the following segment.

J

K

Perpendicular bisector of a line segment

http://www.mathopenref.com/constbisectline.html Possible Points (6)_________________

6) Using your compass, Construct a line parallel to the given line

Line parallel to a given line

http://www.mathopenref.com/constparallel.html Possible Points (6)_________________

7) Using your compass construct a square with 1 inch sides.

Square

http://www.mathopenref.com/constangle90.html Possible Points (10)_________________

1 inch

8) Using your compass, construct a hexagon inscribed in a circle with a radius of 1 inch.

Hexagon Inscribed in a Circle

http://www.mathopenref.com/constinhexagon.html Possible Points (10)_________________

9) Using your compass, construct a regular triangle with sides that are 1.5 inches.

Equilateral Triangle

http://www.mathopenref.com/constequilateral.html Possible Points (10)_________________

1 inch

1.5 inches

10) Using your compass, construct a tine tangent to the circle, passing through the point p.

P

C

Tangent Line to a Circle

http://www.mathopenref.com/consttangents.html Possible Points (10)_________________

11) Using your compass, construct the inscribed circle of the following triangle

In center

http://www.mathopenref.com/constincircle.html Possible Points (10)_________________

12) Using your compass, construct the circumscribed circle of the following triangle.

Circumcenter

http://www.mathopenref.com/constcircumcircle.html Possible Points (10)_________________

13) Using your compass, construct a regular pentagon inscribed in the following circle.

O

Pentagon

http://www.mathopenref.com/constinpentagon.html Possible Points (10)_________________