Category: Geometry & Trigonometry

Midpoints are used often in geometry - for example, the midpoint of any diameter of a circle is the center of the circle.  However, there is a lot more to know about midpoints and how to find...

Trigonometric functions are often used in math (including calculus), and they also have real-life applications (such as signal processing).  However, it can be tricky to remember the signs of...

Ellipses are used often in mathematics, and they also describe orbits of celestial bodies in astronomy.  An ellipse is one of the conic sections, and a circle is just a specific case of an...

Volume is used throughout mathematics, physics, chemistry, and biology for a variety of applications.  However, there are some things you should know about volume, regardless of what you are...

Circles are used throughout mathematics and in everyday life.  However, knowing how to find the center or radius from other given information might also be useful. So, how do you find the...

Right triangles are important in many area of mathematics, including geometry, trigonometry, and calculus (that’s just for starters!)  However, there are lots of questions that you might have...