Constructions with scale and compass.

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Presentation transcript:

Constructions with scale and compass

drawing an arc center radius

drawing an arc spiky end of compass pencil end of compass You have to draw with the compass spread this much apart

bisecting a line segment P R A B Q

perpendicular from external point 1 B Q R

perpendicular from external point 2 Went out! A B C D X Q

perpendicular from internal point 1 Q C P D A B

perpendicular from internal point 2 Q E D Went out! P C A B

perpendicular from internal point 3 Q Not working!! Y C P D B A X

bisecting an angle 1 C Q D B A P

bisecting an angle 2 C D Q B A P

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