ShmoopTube

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?

Sure, Romeo and Juliet were a great pair, but they don't hold a candle to linear pairs. Find out more by clicking play.

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.

Los cubos de hielo no son ruidosos generalmente...pero tienen un volumen de tipo diferente. Este video te enseñará cómo encontrar el volumen de...

SAT Math 9.5 Geometry and Measurement

GED Math 5.4 Measurement. What is the volume of a sphere that measures 18 meters across?

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."

SAT Math 7.4 Geometry and Measurement

SAT Math 11.1 Geometry and Measurement. If y equals 117°, what is the measure of x?

SAT Math 8.2 Geometry and Measurement

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?

Who knew triangles had midsegments? We did.

In geometry, points are called collinear if they all lie on the same line. What, no bunk beds?

Talk about math being applicable to real life.

If you already know what a conditional statement is, then you're smarter than you look. And boy do you look smart.

Sounds logical to us!

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...

To prove lines are parallel, you need a third line. We at Shmoop (and the rest of the world) call it a transversal.

SAT Math 5.2 Geometry and Measurement

Algebra I Drill 4, Problem 5. What is the slope of a line that is parallel to the graph of 8x + 4y = 5?

It's super useful to be able to find the distance around stuff. Like when you’re being pursued by authorities while running around the base of an...

SAT Math 8.5 Geometry and Measurement

GED Math 4.3 Measurement. How should this equation for calculating the area of a hexagon be completed?

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...

SAT Math 6.4 Geometry and Measurement

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....

Bien, tú no eres el único que cae completamente en el aburrimiento por un rato. Dos figuras geométricas dimensionales también. ¿Cómo ellos pu...

SAT Math 11.2 Geometry and Measurement

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...

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

SAT Math 2.5 Geometry and Measurement

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

We’ve got a problem. Actually, we’ve got a ton of them. Fortunately, they’re only geometric word problems, which really aren’t so bad. Weâ€...

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...

Simple steps to solving geometry word problems. If only the problems themselves were this simple...