equiangular6 videos
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Equiangular Polygon Sums
GeometryPolygons
How to find the measure of one angle in any equiangular or regular polygon.
equiangular regular congruent triangles sum -
Exterior Angles of a Polygon
GeometryPolygons
How to find the sum of the exterior angles in a polygon and find the measure of one exterior angle in an equiangular polygon.
exterior angle sum of angles equiangular polygon -
Types of Triangles
GeometryGeometry Building Blocks
How to classify a triangle based on its side lengths and angle measures.
equiangular equilateral isosceles right acute obtuse triangles -
Trapezoid Arch and Panel Design Problem
GeometryPolygons
How to strategize about solving a problem with trapezoidal arches.
trapezoid arch panel design interior angle equiangular polygon isosceles -
Rectangle and Square Properties
GeometryPolygons
How to define a rectangle and a square.
equiangular polygon congruent diagonals bisect regular quadrilateral angle bisectors -
Area of Regular Polygons
GeometryArea
How to derive the formula to calculate the area of a regular polygon.
area apothem side hexagon isosceles triangle perimeter equilateral equiangular