75 Videos for "perpendicular"

Constructing Altitudes  Problem 1
Math › Geometry › Constructions
How to construct an altitude in an acute triangle. 
Constructing Altitudes  Problem 2
Math › Geometry › Constructions
How to construct an altitude in an obtuse triangle. 
Constructing Altitudes  Concept
Math › Geometry › Constructions
How to define an altitude and draw them on acute, right, and obtuse triangles. 
Rhombus Properties  Concept
Math › Geometry › Polygons
How to define a rhombus and compare it to a square and rectangle. 
Rhombus Properties  Problem 1
Math › Geometry › Polygons
How to find the angles in a rhombus created by drawing one diagonal. 
Kite Properties  Problem 3
Math › Geometry › Polygons
How to find the angles in a kite created by the diagonals in terms of a variable. 
Point of Concurrency  Concept
Math › Geometry › Constructions
How to define point of concurrency; how to identify the four main points of concurrency in triangles. 
Constructing an Angle Bisector  Problem 1
Math › Geometry › Constructions
How to construct a 30 degree angle. 
Constructing the Circumcenter  Problem 1
Math › Geometry › Constructions
How to construct the circumscribed circle of a triangle using a compass and straightedge. 
Radii to Tangents  Problem 1
Math › Geometry › Circles
How to calculate the central angle formed by radii to tangents that intersect at a point outside the circle. 
Components of a Force  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to find the horizontal and vertical components of a force. 
Kite Properties  Problem 2
Math › Geometry › Polygons
How to find the vertex and nonvertex angles in a kite. 
Constructing an Angle Bisector  Concept
Math › Geometry › Constructions
How to define and construct an angle bisector. 
Kite Properties  Problem 1
Math › Geometry › Polygons
How to find the angles created by the two diagonals in a kite. 
The Resultant of Two Forces  Concept
Math › Precalculus › Vectors and Parametric Equations
How to find the resultant of two forces when they are parallel, opposite, or perpendicular in direction. 
Chords and a Circle's Center  Problem 2
Math › Geometry › Circles
How to find the center of a circle given only an arc. 
Radii to Tangents  Problem 2
Math › Geometry › Circles
How to calculate a missing angle in a quadrilateral formed by two circles that are tangent but not congruent and their radii drawn to a common line of tangency. 
Constructing an Angle Bisector  Problem 2
Math › Geometry › Constructions
How to construct a 45 degree angle. 
Chords and a Circle's Center  Problem 3
Math › Geometry › Circles
How to find the radius of a circle when the length of a chord and its distance to the center of the circle is given. 
Area of Kites and Rhombuses  Problem 2
Math › Geometry › Area
How to find the length of a diagonal in a kite given the area and the length of the other diagonal.