# Geometry Videos

Geometry is the pure mathematics of: points, lines, curves and surfaces.

## Trig Function Ratios 2 (En Español)

SLE T.2.G.6 – Use trigonometric ratios (sine, cosine, tangent) to determine lengths of sides and measures of angles in right triangles including angles of elevation and angles of depression.

## Special Right Triangles 3 (En Español)

SLE T.2.G.5 – Use the special right triangle relationships (30˚-60˚-90˚ and 45˚-45˚-90˚) to solve problems.

## Pythagorean Theorem 2 (En Español)

SLE T.2.G.4 – Apply the Pythagorean Theorem and its converse in solving practical problems.

## Apply Congruence and Similarity Correspondences and Properties of Figures (En Español)

SLE T.2.G.1 – Apply congruence and similarity correspondences and properties of figures.

## Orthographic and Isometric Drawings (En Español)

SLE – R.4.G.7 Use orthographic drawings ( top, front, side) and isometric drawings (corner) to represent three-dimensional objects.

## Platonic Solids (En Español)

SLE R.4.G.4 – Identify the attributes of the five Platonic Solids.

## Pythagorean Theorem and Deductive Reasoning (En Español)

SLE LG.1.G.6 – Give justification for conclusions reached by deductive reasoning.

SLE T.2.G.4 – Apply the Pythagorean Theorem and its converse in solving practical problems.

## Points, Lines, and Planes: Segments, Rays, and Angles (En Español)

SLE LG.1.G.2 – Represent points, lines, and planes pictorially with proper identification, as well as basic concepts derived from these undefined terms, such as segments, rays, and angles.

## Conditional Statements: Converse, Inverse and Contrapositive (En Español)

SLE LG.1.G.1 – Define, compare and contrast inductive reasoning and deductive reasoning for making predictions based on real world situations.

## Equations of Perpendicular Bisectors of Segments (En Español)

SLE CGT.5.G.4 – Write the equation of the perpendicular bisector of a line segment.