HomePricing

Area of a Circle Donut From Inner Radius and Area to Outer Radius (Equation) (Level 1)

This math topic focuses on understanding and calculating the area of a "circle donut". More specifically, it requires finding the outer radius of the donut, given its area and inner radius. This relates to the broader field of Geometry - Circle Area, Sectors, and Donuts. Questions present multiple choice answers for students to select from, enhancing their problem-solving skills in geometrical calculations related to circle areas.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

Circle Donut From Inner Radius and Area to Outer Radius (Equation)

Complete this topic with 80% correct, working as fast as you can! Results are immediate.

0:00.0


Find the outer radius of the donut with an area of 60 π and an inner radius of 2

r=?r=2