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Geometry Videos
Haven't you always wondered how much cardboard it takes to encase a trunk warmer for your pet elephant?
3D Geometry Videos 15 videos
ACT Math: Plane Geometry Drill 4, Problem 1. What is the radius of the sphere?
ACT Math: Plane Geometry Drill 4, Problem 5. What is the height of the prism?
ACT Math: Plane Geometry Drill 5, Problem 5. How much material do you need to cover the entire tent?
Angles Videos 25 videos
This video explains the vertical angle theorem. Learn about supplementary angles, adjacent angles, and linear pairs, plus bungee jumping. Intersect...
FYI: cats don't like to get wet. Okay, so that fact won't be relevant every time you solve trig equations, but it happens to be this time.
We inscribed some angles on the walls of our office, but our boss got mad, so we made this video instead.
Area and Volume Videos 38 videos
Los cubos de hielo no son ruidosos generalmente...pero tienen un volumen de tipo diferente. Este video te enseñará cómo encontrar el volumen de...
Volume is crucial to our lives. It determines the amount of food we eat, the amount of fluid we drink, and hydraulics, just to to name a few. One o...
Haven't you always wondered how much cardboard it takes to encase a trunk warmer for your pet elephant?
Circles Videos 25 videos
This video can run circles around other videos about circles. Sir Cumference, of Round Table fame, explains all the properties of… well, circles....
Time to learn about the area of a sector. And no, that's not the sector's bedroom with a bumper sticker on the door that reads, "GO AWAY."
Equations of circles are a no-brainer. If aliens can do it, so can you. All you do is substitute the center of the circle's coordinates into the eq...
Construction Videos 10 videos
No hard hat needed here–we're talking about mathematical constructions. If you're using a straight edge, a compass, and a pencil, you're working...
ACT Math: Plane Geometry Drill 5, Problem 3. What is the measure of Angle GHJ?
To prove lines are parallel, you need a third line. We at Shmoop (and the rest of the world) call it a transversal.
Coordinate Geometry Videos 38 videos
ACT Math: Coordinate Geometry Drill 2, Problem 2. Which expression is depicted by the number line?
Logic and Proofs Videos 13 videos
Indirect proofs (or proofs by contradiction) prove their conclusion by showing that the opposite cannot be true. You can use this in math and in ar...
Formal proofs present the oh-so-mathematical evidence in two columns: one for the statement they are claiming is true, and the other for the reason...
CAHSEE Math Mathematical Reasoning: Drill 2, Problem 5. Which of the following conclusions can be drawn based on the above information?
Parallel and Perpendicular Lines Videos 23 videos
This video explores parallel lines and transversals: how to identify them both on a math test and in real life urban planning. What do the consecut...
To prove lines are parallel, you need a third line. We at Shmoop (and the rest of the world) call it a transversal.
Polygons Videos 24 videos
Curious to find out what angle these guys are playing? Check out this video. You’ll have angles coming out of the wazoo.
We know what you came here for—you want to hear the latest interview with the hot starlet, Polly Gon. Well, we've got the scoop for you. She's re...
Quadrilaterals Videos 12 videos
Rectangles just love to have perimeters. And we just love to measure them.
CAHSEE Math: Mathematical Reasoning Drill 3, Problem 4. Which of the expressions gives the best estimate as to the length of this quadrilateral's p...
Right Triangles and Trigonometry Videos 37 videos
Verifying trig identities is important, especially when you're about to let one of them into the country—which is why they should keep their pass...
Mosquitos need their caffeine, just like the rest of us. Wouldn't think zipping around and stinging people all day long sap your energy?
Sine is the opposite over the hypotenuse; cosine is the adjacent over the hypotenuse; and tangent is the opposite side over the adjacent side....
Transformations Videos 4 videos
Bien, tú no eres el único que cae completamente en el aburrimiento por un rato. Dos figuras geométricas dimensionales también. ¿Cómo ellos pu...
If you were looking for the trailer for the new Michael Bay movie, you've got the wrong number. Transformations are rotations, reflections, and tra...
Translations: now without the trans fat. Functions: now without the…fun? Wait, scratch that. Now with extra fun! Don’t believe us? There's only...
Triangles Videos 32 videos
Sine is the opposite over the hypotenuse; cosine is the adjacent over the hypotenuse; and tangent is the opposite side over the adjacent side....
Someday you might be a big, fancy defense lawyer, and you'll have to prove that your client's triangle was congruent to the triangle in question. W...
ACT Math: Plane Geometry Drill 4, Problem 2. If x, y, and z are all integer values, which of the following cannot be the ratio of x:y:z?
Word Problems Videos 5 videos
How do you figure out how long you have before the Galapagos Zombie Tortoises eat you? By using math, of course. If you can't solve this problem, w...
How do you figure out how long you have before the Galapagos Zombie Tortoises eat you? By using math, of course. If you can't solve this problem, w...
Measurement and Geometry Drill 5 Problem 1. A parcel of land measuring 64 square kilometers is equivalent to an area of how many square miles?