20 Videos for "plane geometry"

Parallel Planes and Lines  Concept
Math › Geometry › Geometry Building Blocks
How to identify parallel lines, a line parallel to a plane, and two parallel planes. 
Parallel Planes and Lines  Problem 1
Math › Geometry › Geometry Building Blocks
How to identify the intersection of two planes. 
Three Undefined Terms: Point, Line, and Plane  Concept
Math › Geometry › Geometry Building Blocks
How to describe and label point, line, and plane. How to define coplanar and collinear. 
Math Content Review III
Test Prep › ACT › ACT Math
Short, helpful video on ACT Geometry by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm. 
Calculating the Midpoint  Problem 1
Math › Geometry › Geometry Building Blocks
How to find the midpoint of a segment using the midpoint formula given the endpoints. 
Calculating the Midpoint  Problem 3
Math › Geometry › Geometry Building Blocks
How to find the endpoint of a segment using the midpoint formula given the midpoint and the other endpoint. 
Calculating the Midpoint  Problem 4
Math › Geometry › Geometry Building Blocks
How to use the midpoint formula to find an endpoint of a segment, when given the coordinates of the midpoint and the other endpoint. 
Calculating the Midpoint  Problem 2
Math › Geometry › Geometry Building Blocks
How to use the endpoints of a line segment and the midpoint formula to find the midpoint of the line segment. 
Calculating the Midpoint  Concept
Math › Geometry › Geometry Building Blocks
How to find the midpoint of a segment with endpoints in rectangular coordinates, How to write the midpoint formula. 
Distance Formula  Problem 1
Math › Geometry › Pythagorean Theorem
How to find the distance between two points on the coordinate plane using the distance formula. 
Rectangle and Square Properties  Problem 2
Math › Geometry › Polygons
How to find the point of intersection of the diagonals of a rectangle in a coordinate plane. 
Distance Formula  Concept
Math › Geometry › Pythagorean Theorem
How to derive the equation for the distance between two points using the Pythagorean Theorem. 
Rotations  Problem 4
Math › Geometry › Transformations
How to rotate a point about the origin a given degree measure in the coordinate plane. 
Compositions of Transformations  Problem 3
Math › Geometry › Transformations
How to identify the transformation of a reflection across two lines in a coordinate plane. 
Locus and Definition of a Circle and Sphere  Concept
Math › Geometry › Circles
How to define a circle and a sphere using the word locus. 
Dilations  Problem 1
Math › Geometry › Transformations
How to find the scale factor of a dilation given two figures on a coordinate plane. 
Distance Formula  Problem 2
Math › Geometry › Pythagorean Theorem
How to identify a polygon (a triangle in this problem) as isosceles, equilateral, or scalene using the distance formula. 
Glide Reflections  Problem 1
Math › Geometry › Transformations
How to perform a glide reflection on a triangle in the coordinate plane given a translation rule and a line to reflect over. 
Locus and Definition of a Circle and Sphere  Problem 1
Math › Geometry › Circles
How to find the locus of points that are equidistant from the endpoints of a segment. 
Locus and Definition of a Circle and Sphere  Problem 2
Math › Geometry › Circles
How to find the locus of points that are equidistant from the sides of an angle.