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### We found 311 resources with the concept perpendicular lines

Lesson Planet

#### Parallel and Perpendicular Lines - Part 1

Ever ponder parallel and perpendicular lines? An engaging video first investigates how the slopes of lines indicate whether two lines are parallel or perpendicular. It goes on to show how to use the equations of two lines to tell whether...

Lesson Planet

#### Equation of a Tangent to a Circle

Don't go off on a tangent—let the video do the talking! A video lesson demonstrates how to write the equation of a line tangent to a circle given the point of tangency and the equation of the circle. The instructor explains both a...

Lesson Planet

#### Perpendicular from a Line to a Point

Take steps in the right direction. With a short demonstration, a video shows the steps to construct a perpendicular from a line to a point. Using a protractor, the narrator confirms the resulting construction is perpendicular, and then...

Lesson Planet

#### Perpendicular Through a Point on a Line

Use one construction to complete a second. The short video shows how to incorporate the steps of a perpendicular bisector to create a perpendicular to a point on a line. With their own straightedges and compasses, classmates then...

Lesson Planet

#### Module 6: Connecting Algebra and Geometry

A geometry module connects algebraic reasoning to geometry. It challenges scholars to investigate the slope criteria for parallel and perpendicular lines, prove theorems involving coordinate geometry, and write equations for circles and...

Lesson Planet

#### Module 1: Transformations and Symmetry

No need to change anything about the resource. The first of eight modules in the MVP Geometry unit focuses on transformations in the coordinate plane. It connects translations, rotations, and reflections to congruence, symmetry, and...

Lesson Planet

#### Perpendicular Lines

How are the slopes of perpendicular lines related? It turns out they are always opposite reciprocals. A video instructor emphasizes this fact with graphs, examples, and symbolic representations. He follows that instruction with...

Lesson Planet

#### Latitude and Longitude Differentiated Lesson Plan

Scholars warm-up their map skills with a discussion using location words to describe familiar places. An engaging video informs class members about latitude and longitude. Three leveled activities extend the learning experience for...

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#### Perpendicular Bisectors: Lesson

Get right up and split it in half. Using a diagram, the video provides the definition of a perpendicular bisector. The portion in a playlist on basic geometry explains perpendicular bisector of a segment and of triangle sides properties.

Lesson Planet

#### Distance Between Parallel Lines: Lesson

Rely on slope when counting won't do. Using horizontal and vertical parallel lines, the presentation shows scholars how to find the distance by counting. The video uses the relationship of the slopes of perpendicular lines to find two...

Lesson Planet

#### Perpendicular Lines in the Coordinate Planes: Lesson

Get the slope right with two easy steps. By placing two perpendicular lines on the coordinate plane, the video determines the relationship of the slopes of the two line lines. The resource is a part of an informative and extensive...

Lesson Planet

#### Perpendicular Lines: Lesson

Perpendicular lines are all right. Using the definition of perpendicular, the video lesson introduces perpendicular lines.The portion a basic geometry playlist makes connections between the rules of parallel lines and perpendicular lines.

Lesson Planet

#### Home Lines

Using properties of the slopes of parallel and perpendicular lines, pupils write the equations of sides of polygons drawn on the coordinate plane. Scholars create a room following a set of requirements and determine the equations of the...

Lesson Planet

#### Fundamental Property of Reflections

What do midpoints and perpendicular bisectors have to do with reflections? Learners first reflect line segments over the x- and y-axes. Using the results, they see how the line of reflection is a perpendicular bisector for segments...

Lesson Planet

#### Forget Waldo—Where is 'the Orthocenter'?

Where is the center of a triangle? Individuals draw perpendicular lines representing the altitudes of a triangle. Finding the intersection gives the location for the orthocenter of the triangle.

Lesson Planet

#### Writing Equations for Perpendicular Lines

Make the right connections between the equations of perpendicular lines. Pupils find the equation of a line perpendicular to another line in the context of finding the equation of a side of a geometric figure. Learners write their...

Lesson Planet

#### Equation of the Normal Line at a Point

Is it normal to find a perpendicular line to the tangent line? The short video provides a problem to find the equation of the normal line to a function. Beginning with an explanation of the normal line, the 27th installment in a 31-part...

Lesson Planet

#### Parallel and Perpendicular Lines: Identify Types of Lines

Are there only three options: parallel, perpendicular, or intersecting? Scholars move a given line in an interactive to change its orientation with respect to another line. The interactive indicates whether the lines are parallel,...

Lesson Planet

#### Building Blocks of Geometry

Search high and low for geometry. Using cameras, groups scour the school campus looking for geometric figures. The goal is to collect the most points by finding the higher scoring geometric figures for each category.

Lesson Planet

#### Identify Line Types: Identify Types of Lines

If lines aren't parallel or perpendicular, then what are they? An interactive lets users rotate a line to change its orientation
with respect to another line. It then indicates whether the
lines are parallel, perpendicular, or...

Lesson Planet

#### Basic Definitions in Geometry

Can you define that basic figure? Building upon the undefined terms in geometry, the lesson defines basic geometry figures. The resource defines line segment, ray, angle, perpendicular lines, and parallel lines.

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#### Back to the Basics: Constructions

Create a constructionist approach to constructions. The lesson introduces the concept and tools of constructions. Pupils use worksheets to find a method that will perform the given constructions. The teacher guides the groups and...

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#### When Will We Ever Meet?

Investigate the slippery slope of parallel and perpendicular lines. The lesson explores the relationship between the slopes of parallel and perpendicular lines. Pupils use graphing calculators to graph lines with equal slopes and lines...

Lesson Planet

#### Angle Basics

Take a linear approach to acquaint the class with angles. The video introduces the idea of angles from the notion of intersecting lines. Using the idea of perpendicular lines, the resource defines right, acute, and obtuse angles along...