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What is a shape called that is made up of 2 or more geometric shapes?
All polygons can be broken up into triangles...
What degree of angle for octagon?
For a Regular Shape (all angles measure the same), you can split it up into triangles to find the total angle measures. For example, in a square, you can only split it in half, making 2 triangles (below). A triangle always measures 180 degrees, so for an octagon you would split it into triangles from one point. If you count the triangles, you will have 8 triangles. Now Multiple 8 by i80, and your sum of angles will be 1080°.If you then divide it by the sum of the angles in a triangle, or 180 degrees, you will find that 1 angle measures 135 degrees. This rule applies to all Regular Polygons. If you still don't get it,try the link below
What is a closed figure made up of straight line segments?
triangles , polygons ,quadrilaterals
What do hexagons and triangles have in common?
Exterior angles of both polygons add up to 360 degrees
Are right triangles polygons?
All triangles are polygons, having three straight-line sides. However, a right triangle is not a "regular polygon" because the three side lengths and interior angles cannot be the same (the right angle takes up 90 degrees of the total 180). An equilateral triangle is a regular polygon.
