Constructing A Regular Octagon Inscribed In A Given Circle, Using A Ruler And A Compass–Compilation

Hi girls and boys, in this video I will show you, step by step, how to draw a regular octagon inscribed in a given radius circle. This geometrical construction is so easy to make for childrens.
This video teaches people how to draw geometric figures, how to improve their technical drawing skills.
This drawing will be done in 5 steps:
Step 1: Draw the radius circle R = 7 cm, with center O and diameter AE;
Step 2: Draw the diameter CG perpendicular to AE, using the compass and ruler / RED;
Step 3: Draw the BF bisector of the AOC angle and the DH bisector of the COE angle, using
the compass and ruler / BLUE;
Step 4: The result is 8 angles with the tip in O, equal to 45°, so the circle was divided into 8
equal parts;
Step 5: Draw the octagon joining the points on the circle: A, B, C, D, E, F, G, H / BLACK.
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☻ IT TOOK ME:
4 minutes :)

☻ MATERIALS:
▪ Paper;
▪ 4B pencil, colored markers;
▪ Ruler, compass :)

☻ MUSIC:
▪ Cherry Blossom - Wonders by Kevin MacLeod is licensed under a Creative Commons Attribution licence (
Source:
Artist:

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