Instructional Video6:47
Curated Video

Constructing Segments and Angles

K - 8th
In this video, you will learn how to construct congruent line segments and congruent angles. To complete constructions in mathematics, you will need only two tools: a compass and a straightedge.
Instructional Video1:35
Curated Video

Concepts and measurement: Constructing an Angle Congruent to a Given Angle

K - 8th
By the end of this learning object The learner will be able to: Construct a congruent angle to a given angle.4676
Instructional Video1:35
Curated Video

A congruent angle to a given angle

K - 8th
A congruent angle to a given angle
Instructional Video3:19
Curated Video

Angle Construction

K - 8th
This video provides instruction on how to construct an angle bisector for a given angle.
Instructional Video13:43
msvgo

Basic Geometric Constructions and their Validation

K - 12th
It explains the justification behind all basic constructions like angle bisector, perpendicular bisector and special angles.
Instructional Video29:03
Curated Video

Checking and securing understanding of bisecting an angle

Pre-K - Higher Ed
Pupil outcome: I can use the properties of a rhombus to construct an angle bisector. Key learning points: - A rhombus can be constructed from two congruent isosceles triangles - The diagonals of a rhombus bisect the angles - It is...
Instructional Video27:24
Curated Video

Bisecting an angle

Pre-K - Higher Ed
Pupil outcome: I can use the properties of a rhombus to construct an angle bisector. Key learning points: - A rhombus can be constructed from two congruent isosceles triangles. - The diagonals of a rhombus bisect the angles. - It is...
Instructional Video30:58
Curated Video

Constructing a right-angled triangle given the length of the hypotenuse and one other side length

Pre-K - Higher Ed
Pupil outcome: I can construct a right-angled triangle given the length of the hypotenuse and one other side length. Key learning points: - The shorter side can be drawn accurately with a ruler - The perpendicular through the end point...
Instructional Video26:20
Curated Video

Constructing a triangle given two side lengths and an angle not between them

Pre-K - Higher Ed
Pupil outcome: I can construct a triangle from two side lengths and an angle not between them. Key learning points: - The first side can be drawn accurately with a ruler - All triangles with these measurements in the same place are...
Instructional Video26:19
Curated Video

Checking and securing understanding of constructing the perpendicular bisector of a line segment

Pre-K - Higher Ed
Pupil outcome: I can use the properties of a rhombus to construct a perpendicular bisector of a line segment. Key learning points: - A rhombus can be constructed from two congruent isosceles triangles - The diagonals of a rhombus meet at...
Instructional Video7:35
Let's Tute

Using Geometry in Real Life: The Construction of a Bridge

9th - Higher Ed
This video discusses how equilateral and isosceles triangles are used in bridge construction to distribute weight and forces evenly. The engineer explains how to prove that the angles of an isosceles triangle are equal when the sides are...
Instructional Video5:59
Curated Video

Using Angle Facts

9th - 12th
In this video, the teacher uses angle facts to solve math problems. The students are given a diagram with intersecting lines and angles, and they are asked to write algebraic equations to find the values of X and Y. The teacher walks...
Instructional Video31:31
Curated Video

Constructing a triangle given two side lengths and the angle between them using a compass

Pre-K - Higher Ed
Pupil outcome: I can construct a triangle given two of the required side lengths and the size of the angle between them. Key learning points: - The first side can be drawn accurately with a ruler - The compass should be used to indicate...
Instructional Video26:34
Curated Video

Constructing a triangle given two angles and the side length between them

Pre-K - Higher Ed
Pupil outcome: I can construct a triangle given two angles and the side length between them. Key learning points: - The side can be drawn accurately with a ruler - Both angles should be accurately measured with a protractor - Where the...
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...
Instructional Video5:17
Curated Video

Using Properties of Parallelograms and Triangles to Solve Real-World Problems

K - 5th
In this video, the teacher explains how to use the properties of parallelograms and triangles to solve real-world problems. They demonstrate this by using the example of constructing a wooden gate, where they determine the lengths of...
Instructional Video32:12
Curated Video

Multiple approaches to logical arguments

Pre-K - Higher Ed
Pupil outcome: I can construct a logical argument. Key learning points: - A logical argument does not have to only be algebraic. - Geometrical reasoning can be used to argue that something is true. - Values can be used to demonstrate...
Instructional Video19:42
Curated Video

Perpendicular bisector of a line segment

Pre-K - Higher Ed
Pupil outcome: I can use the properties of a rhombus to construct a perpendicular bisector of a line segment. Key learning points: - A rhombus can be constructed from two congruent isosceles triangles. - The diagonals of a rhombus meet...
Instructional Video23:25
Curated Video

Checking and securing understanding of accurate drawings

Pre-K - Higher Ed
Pupil outcome: I can accurately construct circles and triangles using a pair of compasses and protractor respectively. Key learning points: - A pair of compasses can be used to draw a circle with a particular radius. - A ruler and...
Instructional Video4:36
Professor Dave Explains

Proving Triangle Congruence and Similarity

9th - Higher Ed
Working with triangles.
Instructional Video9:13
Let's Tute

Area of Similar Triangle

9th - Higher Ed
This video explains the relation between Areas & Corresponding sides of similar triangles with the help of basic properties of triangle.Session Covers : - Areas of Similar Triangles - Types of Similar Triangles - Scaling Effect
Instructional Video1:47
Corbett Maths

Constructing SAS Triangles

8th - 11th Standards
Two sides and an angle ... a triangle it makes. Given the measure to two sides and the angle between them, the narrator of a short video shows how to draw a triangle with a ruler and protractor. Pupils use handouts to practice the newly...
Instructional Video2:22
Corbett Maths

Constructing ASA Triangles

8th - 11th Standards
The narrator of a short video explains the steps in constructing a triangle given the measure of two angles and the length of the side between the angles. The resource provides opportunities for pupils to practice the skill with two...
Instructional Video
Khan Academy

Khan Academy: Geometry: Two Column Proof Showing Segments Are Perpendicular

9th - 10th Standards
In this video tutorial [11:06], the instructor shows how to construct a two-column proof using triangle congruence postulates to prove that two line segments are perpendicular.