An airplane, traveling with a constant engine speed, makes a large and perfect circle parallel to the ground. There is no ...

It’s 10 a.m. on a Saturday at Cal State Fullerton and students are revved up. It’s Math Circle time. Math Circle is a Saturday program for students in second through 12th grade, most of whom are ...

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 ...

Students at Dewitt Middle School and Boynton Middle School have the opportunity to make modular origami, play a math version of Wordle and challenge themselves with mathematical Sudoku, also known as ...

STAMFORD — A year ago, when Katy Myers started researching the possibility of a “math circle” in Fairfield County, she didn’t know if it would be popular—but it was something she knew she needed to do ...

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 ...

An extraordinary crop circle based on the 'world's most beautiful maths theorem' has appeared in a field next to a windmill in Wiltshire. The complex disc, which measures 300ft across, appeared to the ...