Category: Geometry

Solving Tangential Circles Inside a Square

Facebook for me is just another platform to learn new things in Mathematics. If you are in the right group, you’re not just sharpen your math skills, it will make you more addicted to...

Solving Common Chord of Two Circles

This article is inspired by one of the confusing problems in 2013 MMC for third year elimination round. The problem is all about the intersecting circles given the radii of two circles and the...

Angles in Regular Polygon

Previously, we’ve learned solving problems about complementary and supplementary angles. Now, another basic concept and technique will be discussed about the angles in a regular polygon. Definition of terms: Central Angle – Angle in...

Number Diagonals of Polygon

One of the easiest topics in plain Geometry is to count the number of diagonals in a convex polygon. You might familiar already or even memorized the said formula. So let me show you...

Externally Tangent Circles Problem Solving

Today, we will solve problems involving externally tangent circles. If how to get their radii, their areas, the area they covered and more. We will demonstrate techniques how to solve them easily. Don’t forget...

Area of Rhombus Shortcut

An edge of a Math enthusiasts than the normal the people is they can create their own formula. Last year while we were reviewing for elimination round of MMC, I came across with this question, “The...

Theorems on Circle

I compiled some useful theorems on circle and here’s what I got. Trust me; these theorems are very helpful when you are working with circles. Memorizing or familiarization of these formulas will make your...