Arc length is a fraction of circumference. Area of a sector is a fractions of the area of a circle. Both can be calculated using the angle at the centre and the diameter or radius. Practice circle ...

The circumference of a circle = \(\pi d\) or \(2\pi r\). Look at the sector of the circle shown below. To calculate the length of the arc, we need to know what fraction of the circle is shown. To do ...

Evan O’Dorney leaps from his seat and snatches the chalk from his teacher’s hand. “I think it goes like this,” the eighth-grader exclaims. He has come up with a formula for the number of ways to ...

CBSE Class 10 Maths Chapter 10 Important Questions: In this article we will be covering the various sorts of important questions and answers from Chapter 10th of CBSE Class 10 Mathematics syllabus.

I had never heard the term, “math circle,” until a few weeks ago when I stumbled across an article in The Atlantic about the growing number of American kids excelling in the highest levels of math. It ...

The ACT math test consists of 60 multiple-choice questions that must be completed in 60 minutes. A portion of those questions involves modeling, which is the process of expressing real-life phenomena ...