18 Videos for "equilateral"

Polygons  Problem 1
Math › Geometry › Geometry Building Blocks
How to mark equiangular, equilateral, and regular polygons. 
Duplicating a Line Segment  Problem 3
Math › Geometry › Constructions
How to construct an equilateral triangle given one segment. 
Distance Formula  Problem 2
Math › Trigonometry › Pythagorean Theorem
How to find identify a polygon (a triangle in this problem) as isosceles, equilateral, or scalene using the distance formula. 
Distance Formula  Problem 2
Math › Geometry › Pythagorean Theorem
How to find identify a polygon (a triangle in this problem) as isosceles, equilateral, or scalene using the distance formula. 
306090 Triangles  Problem 4
Math › Trigonometry › Pythagorean Theorem
How to find the area of an equilateral triangle given only a side length. 
306090 Triangles  Problem 4
Math › Geometry › Pythagorean Theorem
How to find the area of an equilateral triangle given only a side length. 
Reflectional Symmetry  Concept
Math › Geometry › Transformations
How to identify and describe reflectional symmetry. 
Rotational Symmetry  Concept
Math › Geometry › Transformations
How to define rotational symmetry and identify the degree of rotational symmetry of common regular polygons. 
Volume of Pyramids  Problem 2
Math › Geometry › Volume
How to find, in an equilateral triangle pyramid, the side length of the triangle, given the volume and height. 
Area of Regular Polygons  Concept
Math › Geometry › Area
How to derive the formula to calculate the area of a regular polygon. 
Rotational Symmetry  Problem 1
Math › Geometry › Transformations
How to draw a figure with a given degree of rotational symmetry. 
Area of a Segment  Problem 2
Math › Geometry › Area
How to find the area of a segment, given a side in an equilateral triangle. 
Area of Regular Polygons  Problem 4
Math › Geometry › Area
How to find the area of a regular hexagon given only the length of the apothem. 
Types of Triangles  Concept
Math › Geometry › Geometry Building Blocks
How to classify a triangle based on its side lengths and angle measures. 
Area of Regular Polygons  Problem 1
Math › Geometry › Area
How to calculate the area of a regular polygon, given the length of the apothem and side length. 
Area of Regular Polygons  Problem 3
Math › Geometry › Area
How to calculate the perimeter of a regular polygon given the area and apothem length. 
Area of Regular Polygons  Problem 2
Math › Geometry › Area
How to find the length of an apothem in a regular polygon given the area and side length. 
Reflectional Symmetry  Problem 1
Math › Geometry › Transformations
How to draw a figure with horizontal but not vertical symmetry and vice versa.