So this shows al four angles are 60 degrees, which means not only is it a scalene triangle, but an equilateral triangle. One angle is 60 and the other two are some other angle x where all three equal 180. so in other words use some algebra to find the two other angles. Also, you should know the angles of a triangle add up to 180. Since it is a scalene triangle you know the measure of the other two angles are the same. this means each triangle will have an angle of measure 360/n, where n is the number of sides. Basically each side will have one of these. You want to count how many of these triangles you can make. You know both radii are 8 cm, which means you have an isosceles triangle. it is also important to know the apothem This works for any regular polygon.Ĭhoose a side and form a triangle with the two radii that are at either corner of said side. Radius is the distance from the center to a corner.
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