Stop signs are octagons. An octagon is a shape that has eight sides, whereas a hexagon only has six sides.
Know MoreIn North America, you will find stop signs to assist right of way for pedestrians and traffic. They are used in areas of towns and cities that are not large enough to warrant the use of traffic lights. Stop signs can be used alone or as part of a three-way or four-way stop.
Both hexagons and octagons can be irregular or regular. A regular shape has sides that are all equal in length. An irregular shape has sides of different lengths.
Learn MoreTo construct an altitude with a compass, draw two circles through the specified point, then draw a line through the intersecting arcs. Most often, this is done as a practice in geometry to find the altitude of a triangle.
Full Answer >A triangular pyramid has four vertices and six edges. It is comprised of four equilateral triangles, with any one triangle being used as the base and the others connecting at the vertices to form a pyramid.
Full Answer >A vertical line is one that is parallel to the y-axis of a graph. A vertical line is also perpendicular to the x-axis of the same graph, which means that the value of the x-coordinate for a vertical line does not change.
Full Answer >According to the University of Washington math department, a regular pentagon has five obtuse angles. The sum of all angles for a regular pentagon is 540 degrees, making each angle 108 degrees. Any angle over 90 degrees is obtuse.
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