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Triangles Videos


Triangles

This video covers the different types of triangle. What makes a triangle isosceles, scalene, or equilateral? What about the different kinds of angle? Obtuse, acute, right…so many triangle types and angles, so little time.


Congruent Triangles Videos 8 videos

SSS Postulate
9700 Views

This postulate helps us compare congruent triangles. We'll get to Einstein's postulates regarding special relativity and inertial frames of referen...

SAS, ASA, AAS
2621 Views

This video is sort of a PSA for SAS, ASA, and AAS. This stuff might show up on the ACT, so watch it ASAP.

Proving Triangles Congruent 2
994 Views

As you'll see, we use cats' ears to explore the congruency of various triangles. Oh, calm down and stop dialing the the Humane Society. They're sti...

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Properties of Triangles Videos 3 videos

SAT Math 9.2 Geometry and Measurement
185 Views

SAT Math 9.2 Geometry and Measurement

SAT Math 6.3 Geometry and Measurement
232 Views

SAT Math 6.3 Geometry and Measurement

GED Math 2.3 Measurement
425 Views

Use the area formula to solve for length of the base of the triangle.

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Similar Triangles Videos 4 videos

SAT Math 10.4 Geometry and Measurement
380 Views

SAT Math 10.4 Geometry and Measurement. What is the perimeter of triangle DEF?

SAT Math 5.5 Geometry and Measurement
254 Views

SAT Math 5.5 Geometry and Measurement

Math Basics: Unit 6.4 Similar Figures
97 Views

This video explains similar figures and how to figure out if two shapes are similar using sides and angles. Plus, it discusses how to use one shape...

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Theorems About Triangles Videos 3 videos

SOHCAHTOA
4616 Views

Sine is the opposite over the hypotenuse; cosine is the adjacent over the hypotenuse; and tangent is the opposite side over the adjacent side....

Vertical Angle Theorem
3320 Views

This video explains the vertical angle theorem. Learn about supplementary angles, adjacent angles, and linear pairs, plus bungee jumping. Intersect...

Triangle Inequality Theorem
3916 Views

The triangle inequality theorem states that no two sides, when added, can be less then the length of the third side. However, that doesn't stop our...

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