Area and Circumference of a Circle Worksheet
Grade 11 Math worksheet covering the calculation of area and circumference of circles, including problems involving radius, diameter, and π.
Includes
Standards
Area and Circumference of a Circle
Name:
Date:
Score:
Read each question carefully and solve for the area or circumference of the circle. Use π ≈ 3.14 where necessary, and round your answers to two decimal places.
1. Find the circumference of a circle with a radius of 7 cm.
2. Calculate the circumference of a circle with a diameter of 15 inches.
3. Determine the area of a circle with a radius of 9 meters.
4. A circular garden has a diameter of 20 feet. What is its area?
5. If the circumference of a circle is 31.4 units, what is its approximate radius?
2.5 units
5 units
10 units
15 units
6. Which formula correctly represents the area of a circle?
A = 2πr
A = πd
A = πr²
A = d/2
7. The distance around a circle is called its .
8. The area of a circle with a radius of 'r' is given by the formula A = .
9. The is the distance from the center of a circle to any point on its edge.
10. Doubling the radius of a circle doubles its circumference.
True
False
11. Doubling the radius of a circle doubles its area.
True
False
Related Worksheets
Segment Length Practice Worksheet
Grade 11 Math worksheet focusing on calculating and applying segment lengths in various geometric contexts, including number lines, coordinate planes, and geometric figures.
Similar Figures Worksheet
This worksheet focuses on understanding and applying the properties of similar figures, including triangles and polygons, at a Grade 11 level. Students will solve problems involving scale factors, missing side lengths, and angle measures.
Secants in Circles Worksheet
Explore properties of secant lines in circles, including the Secant-Secant Theorem and tangent-secant relationships, with this Grade 11 mathematics worksheet.
Secant-Tangent Theorem Worksheet
Explore and apply the Secant-Tangent Theorem to solve for unknown lengths and angles in circles.
Triangular Prisms: Surface Area and Volume
This worksheet focuses on calculating the surface area and volume of triangular prisms, suitable for Grade 11 math students.
Triangle Sum Theorem Worksheet
A Grade 11 math worksheet focusing on the Triangle Sum Theorem, including various problem types to reinforce understanding of triangle angle properties.
Similar Solids Worksheet - Grade 11 Geometry
Explore the properties of similar solids, including their ratios of corresponding linear measures, areas, and volumes, with these challenging problems.
Eccentricity of Conic Sections
This worksheet focuses on understanding and calculating the eccentricity of conic sections, including ellipses, hyperbolas, and parabolas, for Grade 11 students.