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Instructional Video4:16
Curated Video

Finding Circumcenters and Incenters of a Triangle Using Angle Bisectors, Perpendicular Bisectors, and Circles

K - 5th
In this lesson, students will learn how to find the circumcenter and incenter of a triangle using angle bisectors, perpendicular bisectors, and circles. They will understand the concept of different centers in a triangle and how they...
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Instructional Video6:12
Curated Video

Constructing Perpendicular and Bisecting Lines

9th - Higher Ed
The video is a lecture presentation that demonstrates how to bisect a line and create a perpendicular line, using a pair of compasses and a ruler. The video covers three key elements: how to create a perpendicular bisector of a line, how...
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Instructional Video2:54
Curated Video

Constructing a Circumscribed Circle on a Triangle Using Perpendicular Bisectors

K - 5th
In this lesson, students will understand that a circumscribed circle is a circle that passes through all the vertices of a polygon, and that its center is where the perpendicular bisectors of the polygon intersect. By following...
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Instructional Video9:59
Let's Tute

Constructing Perpendicular Bisector of a Line Segment

9th - Higher Ed
In this video you will learn How to construct tangents to a circle from a point outside a circle - Geometric Constructions
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Instructional Video1:27
Curated Video

MATHS - Geometry - Perpendicular from a point to a line

6th - Higher Ed
In this video, we're going to look at how to construct a perpendicular from a point on a line and that point can be anywhere on the line
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Instructional Video3:30
Curated Video

Constructing Bisectors and Locating Points

12th - Higher Ed
The video is a tutorial on how to construct bisectors, loci, and identify regions in geometry. The presenter explains the steps to construct a perpendicular bisector with a compass and ruler, as well as how to bisect an angle. The video...
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Instructional Video13:43
Curated Video

Basic Geometric Constructions and their Validation

K - 12th
It explains the justification behind all basic constructions like angle bisector, perpendicular bisector and special angles.
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Instructional Video3:19
Curated Video

Constructing an Inscribed Circle on a Triangle Using Angle Bisectors

K - 5th
In this video, you will learn how to construct an inscribed circle on a triangle using the triangle's angle bisectors. The inscribed circle is the largest possible circle that fits inside the triangle, with the triangle's sides tangent...
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Instructional Video3:01
Brian McLogan

What are the angles of the unit circle in degrees

12th - Higher Ed
👉 Learn about the angles on the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle...
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Instructional Video4:38
Brian McLogan

What are the points on a unit circle by 45 degrees

12th - Higher Ed
👉 Learn about the points on the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle...
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Instructional Video9:17
Curated Video

Loci and Regions: Understanding Locus of Points in Mathematics

12th - Higher Ed
This video is a lecture presentation on Loci and region. The speaker explains what a locus is and discusses the tools required for solving loci problems, including a ruler, compass, protractors, pens, and pencils. The speaker then goes...
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Instructional Video3:07
CK-12 Foundation

Perpendicular Bisectors: Lesson

8th - 11th Standards
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.
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Instructional Video1:54
Corbett Maths

Perpendicular Through a Point on a Line

8th - 11th Standards
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...
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Instructional Video6:35
Corbett Maths

Perpendicular Bisector

8th - 11th Standards
Where should the statue be located? The resource explains how to use a compass and straight-edge to construct the perpendicular bisector of a line segment. Using an exam question, the narrator models how to solve an application problem...
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Instructional Video2:51
Corbett Maths

Construct a 90 Degree Angle

8th - 12th Standards
There is more than one way to create a 90-degree angle. Using a compass and a straightedge, the video shows two ways to construct a right angle. The ways include using perpendicular bisectors and circle theorems. To wrap up, pupils...
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Instructional Video2:01
Corbett Maths

Construct a 45 Degree Angle

8th - 11th Standards
Create a 45-degree angle without bisecting an angle. A video shows a method to construct a 45-degree angle without needing to bisect a right angle. By constructing an isosceles right triangle, the presenter constructs a 45-degree angle...
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Instructional Video3:02
CK-12 Foundation

Isosceles Triangles: Lesson

8th - 11th Standards
Two sides give us two angles. A segment of a playlist on basic geometry revisits isosceles triangles. The presentation explains several properties and theorems related to isosceles triangles.
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Instructional Video
Khan Academy

Khan Academy: Geometry: Ca Geometry: Compass Construction

9th - 10th Standards
Demonstrates solutions to problems #56-60 of the California Geometry released state test questions. Problems address compass constructions, slope of perpendicular lines, and using the distance formula. [12:49]
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Instructional Video
Math Mammoth

Math Mammoth: How to Draw a Right Angle (Perpendicular Line) and a Rectangle

3rd - 4th Standards
Demonstrates how to draw a right angle and a rectangle. [6:21]