Quarter circles: calculate area, perimeter, and radius
Quarter circles: calculate area, perimeter, and radius
What you'll learn
- Identify the radius of a quarter circle when given its area or perimeter with 80% accuracy.
- Calculate the area of a quarter circle, given its radius, by applying the correct formula and showing all steps with 75% accuracy on a worksheet.
- Solve for the perimeter of a quarter circle, given its radius, including the curved portion and the two radii, demonstrating understanding by labeling all parts correctly in at least 3 out of 4 problems.
- Explain in their own words the relationship between the radius of a circle and the radius of a quarter circle, providing at least two accurate details during class discussion.
Tutorial Preview
Find the area of a quarter circle with a radius of 10 cm.
Find the perimeter of a quarter circle with a radius of 4 cm.
The area of a quarter circle is 28.26 cm². Find its radius.
Sample Practice Questions
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing FreeMore from Geometric measurement
Mathematics for other grades
Frequently asked questions
What grade level is "Quarter circles: calculate area, perimeter, and radius"?
Quarter circles: calculate area, perimeter, and radius is a Grade 7 Mathematics lesson on ExcelOS.
What will I learn in Quarter circles: calculate area, perimeter, and radius?
You'll be able to: Identify the radius of a quarter circle when given its area or perimeter with 80% accuracy; Calculate the area of a quarter circle, given its radius, by applying the correct formula and showing all steps with 75% accuracy on a….
Is "Quarter circles: calculate area, perimeter, and radius" free to practice?
Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.
How many practice questions are included with Quarter circles: calculate area, perimeter, and radius?
This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.