Category: Geometry & Trigonometry

Perpendicular lines show up all over the place in geometry.  They also have many applications in real life – but before you can use them, you need to understand them! So, what do you need...

Equilateral triangles are common in geometry courses, so it pays to know about their sides and angles.  We can also calculate their heights and areas once we know the formulas. So, what do...

Volume is used often in mathematics for word problems in geometry and calculus. However, volume also has numerous applications in real life. So, what is volume used for?  Volume is used for...

Circles are used often in mathematics for word problems in geometry or trig functions (unit circle).  However, circles are also vital for many purposes in everyday life. So, what are circles...

Perimeter is used often in mathematics for word problems in geometry and optimization problems in calculus. Perimeter is vital for finding the surface area of some objects, but it also has numerous...

Corresponding angles can help us to find the measure of angles or the value of variables in geometry, especially when we are dealing with two parallel lines. So, what do you need to know about...