• #### Calculating Coordinates in the Unit Circle - Problem 1

##### Math›Geometry›Pythagorean Theorem
How to find the coordinates on the unit circle, given an angle of 225 degrees.
• #### Calculating Coordinates in the Unit Circle - Problem 2

##### Math›Geometry›Pythagorean Theorem
How to find the coordinates on the unit circle, given an angle of 60 degrees.
• #### Calculating Coordinates in the Unit Circle - Concept

##### Math›Geometry›Pythagorean Theorem
How to describe the unit circle. How to draw the unit circle and label its parts. How to strategize about finding coordinates on the unit circle.
• #### 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.
• #### 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.
• #### 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 - 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.
• #### 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 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.
• #### Distance Formula - Problem 1

##### Math›Geometry›Pythagorean Theorem
How to find the distance between two points on the coordinate plane using the distance formula.
• #### Using the Pythagorean Theorem to find a Missing Hypotenuse - Problem 4

##### Math›Geometry›Pythagorean Theorem
How to find the radius of a circle centered at the origin, given the (x, y) coordinates of a point on the circle.
• #### Translations - Concept

##### Math›Geometry›Transformations
How to describe a translation; how to interpret ordered pair rules.
• #### Translations - Problem 2

##### Math›Geometry›Transformations
How to write the rule for a transformation that has already been performed.
• #### Distance Formula - Concept

##### Math›Geometry›Pythagorean Theorem
How to derive the equation for the distance between two points using the Pythagorean Theorem.
• #### Translations - Problem 1

##### Math›Geometry›Transformations
How to perform a transformation when an ordered pair rule is given.
• #### Compositions of Transformations - Problem 3

##### Math›Geometry›Transformations
How to identify the transformation of a reflection across two lines in a coordinate plane.
• #### Translations - Problem 3

##### Math›Geometry›Transformations
How to describe a translation when an ordered pair rule is given.
• #### Rotations - Problem 4

##### Math›Geometry›Transformations
How to rotate a point about the origin a given degree measure in the coordinate plane.
• #### Dilations - Problem 1

##### Math›Geometry›Transformations
How to find the scale factor of a dilation given two figures on a coordinate plane.