### We found153 reviewed resources for Congruent Triangles

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Other Resource Types ( 153 )
2:41
Lesson Planet

#### Congruent Triangles: Lesson

For Students 9th - 12th Standards
Given two congruent triangles, the resource provides the definition of congruent triangles and marks the corresponding parts. The portion of a basic geometry playlist shows the triangles are congruent by moving one on top of the other...
1 In 1 Collection 4:00
Lesson Planet

#### Find the Area of a Right Triangle

For Students 5th - 7th Standards
Help your class develop a greater understanding of the area of a right triangle. The video starts by reviewing the area of a rectangle and noting that the rectangle is made up of two congruent triangles. Learners are then shown that in...
9:09
Lesson Planet

#### Congruent Triangles

For Students 6th - 12th Standards
Young mathematicians learn about the many theorems related to congruent triangles. The video allows them to stop and replay the content as many times as needed to take notes. Extra practice problems work as reinforcement for each skill...
7:31
Lesson Planet

#### How Do You Identify Corresponding Parts in Congruent Triangles?

For Teachers 6th - 10th
Congruent, corresponding, congruent corresponding. If two figures are congruent, then their corresponding sides and corresponding angles are congruent. Is this to be believed? Watch this video and see if the proof is in the pudding.
2:22
Lesson Planet

#### Constructing ASA Triangles

For Students 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...
3:08
Lesson Planet

#### Constructing SSS Triangles

For Students 8th - 11th Standards
Creating a triangles is as easy as 5, 6, 7. Using a ruler and compass to measure off lengths, a short video shows how to construct a triangle with three specific side lengths. The example creates a triangle with side lengths of 5 cm, 6...
3:51
Lesson Planet

#### ASA and AAS Triangle Congruence Lesson

For Students 8th - 11th Standards
The location of the side makes a difference. One of the videos in a geometry playlist introduces angle-side-angle and angle-angle-side congruence relationships. Using drawings, the video shows how these two congruence statements are...
3:19
Lesson Planet

#### SAS Triangle Congruence: Lesson

For Students 8th - 11th Standards
SAS is not just a spy organization. A section of an extensive geometry playlist introduces a way to show two triangles are congruent, SAS. Using diagrams, the video provides an explanation by showing only one triangle is formed with two...
3:48
Lesson Planet

#### Creating Congruence Statements: Lesson

For Students 7th - 11th
Provide a large amount of information in a short statement. A segment of a playlist on basic geometry introduces the notation to denote congruence between two figures. The video shows how to read corresponding parts from a congruence...
3:58
Lesson Planet

#### Triangle Angle Sum

For Students 9th - 12th Standards
Don't believe everything that you hear — make them prove it! The video shows two methods to prove the Triangle Angle Sum Theorem. The following two videos apply the theorem to finding missing angle measures.
4:36
Lesson Planet

#### Area of Diagonal Generated Triangles of Rectangle are Equal

For Students 9th - 10th
Finding the area of each of the triangles that are created by drawing two diagonal lines through a rectangle is explored in this lecture. It provides a detailed explanation of how to use a formula to solve the given problem. Tip: Use...
4:36
Lesson Planet

#### Area of Diagonal Generated Triangles of Rectangle are Equal

For Students 9th - 10th
Finding the area of each of the triangles that are created by drawing two diagonal lines through a rectangle is explored in this lecture. It provides a detailed explanation of how to use a formula to solve the given problem. Tip: Use...
1:59
Lesson Planet

#### HL Triangle Congruence: Lesson

For Students 8th - 11th
Use the right congruence statement. The video introduces the Hypotenuse-Leg Theorem to prove two right triangles are congruent. Part of a geometry playlist shows that it does not matter which leg to use when proving congruence.
3:05
Lesson Planet

#### SSS Triangle Congruence: Lesson

For Students 7th - 11th Standards
Gimme three sides, mister! The video introduces the Side-Side-Side Triangle Congruence Theorem. Using segments of different lengths, the portion of a larger playlist on geometry shows that only one triangle can be built.
3:21
Lesson Planet

#### Congruent Angles and Bisectors: Lesson

For Students 9th - 12th Standards
How is congruence shown? Using angles, the resource introduces the congruence symbol and explains the meaning of being congruent. A segment of a larger playlist on basic geometry discusses bisection as a way to arrive at two congruent...
4:55
Lesson Planet

#### Classifying Triangles: Lesson

For Students 4th - 8th Standards
That's correct, it is right and scalene. The video introduces the two methods for classifying triangles, sides, and angles. A resource in the playlist for basic geometry provides the definitions for each of the classifications.
3:02
Lesson Planet

#### Equilateral Triangles: Lesson

For Students 8th - 11th Standards
Take a second look at triangles that are equal all the way around. The video reminds viewers what an equilateral triangle is and points out that the three angles are the same. Using the fact that equilateral triangles are also isosceles,...
2:28
Lesson Planet

#### Triangle Sum Theorem: Lesson

For Students 6th - 10th Standards
The measures all add up. The presentation, part of a helpful playlist on geometry, provides the statement of the Triangle Sum Theorem. Using the theorem, the video shows how to find the missing measure of an angle.
3:01
Lesson Planet

#### Isosceles Triangles: Lesson

For Students 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.
5:25
Lesson Planet

#### Comparing Triangle Angles and Sides: Lesson

For Students 7th - 11th
Use the opposite to organize angles or sides. The video provides the relationship of angle measures based on the lengths of sides in a triangle and its converse. Using two triangles, the segment of a larger playlist on geometry shows the...
5:21
Lesson Planet

#### Triangle Inequality Theorem: Lesson

For Students 6th - 12th Standards
Can any three lengths make a triangle? One of the videos in a playlist on basic geometry introduces the Triangle Inequality Theorem. Using three given lengths, the presentation illustrates the restrictions on lengths of any side of a...
3:12
Lesson Planet

#### Area and Perimeter of Triangles: Lesson

For Students 6th - 10th Standards
Go from a parallelogram to a triangle. A segment of an extensive playlist on basic geometry shows the derivation of the formula for the area of a triangle. The resource works examples that require finding a missing side or height to...
3:44
Lesson Planet

#### Special Right Triangle 45-45-90: Lesson

For Students 8th - 11th
Square roots connect squares and right triangles. Using the Pythagorean Theorem, the video shows the relationship between the sides and hypotenuse of a 45-45 right triangle. The portion of a larger geometry playlist applies the...
3:17
Lesson Planet

#### Triangle Proportionality: Lesson

For Students 7th - 11th Standards
Look at proportionality from a parallel perspective. A section of an expansive geometry playlist introduces the Triangle Proportionality Theorem. Using the theorem, the video shows how to determine missing measurements in triangles.