Master the concept of calculating the perimeter of a sector of a circle in a concise video lesson. Watch now to grasp the formula and test your skills with a quiz.

What is a semicircle? Learn the area of a semicircle formula and perimeter of a semicircle formula. See worked examples of how to find area and...

The perimeter of a quarter circle is one-fourth the circumference of the circle plus the length of two radii. The formula for perimeter of a quarter circle is P = (1/4 x 2 x pi x r) + (2 x r).

What is perimeter? Learn the perimeter definition in math and geometry, and learn how to calculate the perimeter of different shapes, with examples.

Discover how to find the area and circumference of a circle. Learn the area of a circle formula, the circumference of a circle formula, how to...

Learn how to calculate the area of semicircles in our 5-minute video lesson. Watch now to master the essential formulas and take an optional quiz for practice!

Learn how to find the perimeter of polygons with an inscribed circle by working through several examples that work with different types of polygons to improve your mathematical knowledge and skills.

The lesson will introduce circumference and discuss its relationship with diameter and radius via circumference and diameter formula and calculation.

The formula for finding the perimeter of a circle is two times the radius and π units (2 π r units) or π times diameter units (π d units). The diameter of a circle is the line that divides the circle into two …

A polygon is a two-dimensional geometric figure with three or more sides, such as a triangle, square, or pentagon. To find the perimeter of a polygon, find the sum of the length of the sides.