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Pythagorean Theorem on a Coordinate Plane	Geometry	This infographic is made to help people understand better the Pythagorean Theorem. The infographic includes interactive sliders in which the person using it can better understand how the Pythagorean Theorem works. The Pythagorean theorem formula is included in the infographic. The infographic can also help you solve problems dealing with the Pythagorean theorem on a coordinate system.	View
Quadratic Function	Functions	Use this graph to analyze the characteristics of a quadratic function.	View
Regular Hexagon from Congruent Circles	Geometry	A regular hexagon may be constructed from congruent circles that pass through the circle centers.	View
RGB Color Creator	Art	Students will use hexadecimal values to define 3 x 8-bit RGB colors.	View
Rhombus Properrties	Geometry	Diagonal bisector of a rhombus create a pair of opposite angles. The diagonals of a rhombus are perpendicular.	View
Riemann Sum	Calculus	A Riemann sum approximates an integral by a finite sum.	View
Riemann Sum	Calculus	A Riemann sum is a certain kind of approximation of an integral by a finite sum.	View
Rotation of a Polygon (90-degree)	Geometry	Notice how the x and y values are negated or reversed for rotation at 90 degrees. Load graph in Desmos to view values.	View
Secant-Sector Relationships	Geometry	A) The measure of an angle formed by two secants intersecting outside a circle is half the difference of the arcs intercepted by the angle. B) The measure of an angle formed by two intersecting chords is one-half the sum of the measures of the arcs intercepted by it and its vertical angles.	View
Secant-Tangent Theorem	Geometry	If a tangent segment and a secant segment are drawn to a circle from an exterior point, then the square of the measure of the tangent segment is equal to the product of the measures of the secant segment and its external secant segment.	View