Mathematics
Grade 5
15 min
Radius, diameter, circumference, and area of a circle
Radius, diameter, circumference, and area of a circle
Tutorial Preview
1
A circle has a radius of 3 cm. What is the diameter?
2
A circle has a diameter of 10 cm. What is the radius?
3
A circle has a radius of 4 cm. Find the circumference. (Use π ≈ 3.14)
1 more steps in this tutorial
Sign up free to access the complete tutorial with worked examples and practice.
Sign Up Free to ContinueSample Practice Questions
Easy
A button has a radius of 2 cm. What is its diameter?
0.4 cm
1.2 cm
2.1 cm
3.6.28 cm
Easy
A pizza has a diameter of 8 inches. What is its radius?
0.4 in
1.8 in
2.16 in
3.2 in
Easy
A cookie has a radius of 5 cm. What is the diameter?
0.10 cm
1.5 cm
2.2.5 cm
3.15.7 cm
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing FreeMore from Geometry
Mathematics for other grades
Frequently asked questions
What grade level is "Radius, diameter, circumference, and area of a circle"?
Radius, diameter, circumference, and area of a circle is a Grade 5 Mathematics lesson on ExcelOS.
What will I learn in Radius, diameter, circumference, and area of a circle?
Radius, diameter, circumference, and area of a circle
Is "Radius, diameter, circumference, and area of a circle" 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 Radius, diameter, circumference, and area of a circle?
This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.