Geometry Practice: Circles, Areas, and Perimeters
Practice solving geometry problems related to circles, areas, circumferences, and perimeters. Includes worked examples and questions of varying difficulty levels. Improve your math skills and understanding of circle properties through narration and practice.
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Presentation Transcript
Revision: Revision: Circles Circles Silent Teacher Intelligent Practice Your Turn Narration Practice
Worked Example Your Turn 80cm 8cm Circumference = Circumference = Area = Area = @mrbartonmaths
9. A semi-circle has an area of 40cm2. What is its diameter? 1. A circle has a diameter of 10cm. What is its circumference? 10. A semi-circle has an area of 40cm2. What is its arc length? 2. A circle has a radius of 10cm. What is its circumference? 11. A semi-circle has an area of 40cm2. What is its perimeter? 3. A circle has a radius of 10cm. What is its area? 4. A circle has an area of 10cm2. What is its radius? 12. A semi-circle has an arc length of 40cm. What is its perimeter? 5. A circle has an circumference of 10cm. What is its radius? 13. A semi-circle has a perimeter of 40cm. What is its diameter? 6. A circle has an circumference of 20cm. What is its radius? 14. A semi-circle has a perimeter of 40cm. What is its arc length? 7. A circle has an area of 20cm. What is its diameter? 15. A circle has a circumference of 40cm What is its area? 8. A circle has an area of 40cm2. What is its diameter? 16. A circle has an area of 40cm2 What is its circumference? @mrbartonmaths
9. A semi-circle has an area of 40cm2. What is its diameter? 10.09cm 1. A circle has a diameter of 10cm. What is its circumference? 31.42cm 10. A semi-circle has an area of 40cm2. What is its arc length? 15.85cm 2. A circle has a radius of 10cm. What is its circumference? 62.83cm 11. A semi-circle has an area of 40cm2. What is its perimeter? 25.95cm 3. A circle has a radius of 10cm. What is its area? 314.16cm2 4. A circle has an area of 10cm2. What is its radius? 5.64cm 12. A semi-circle has an arc length of 40cm. What is its perimeter? 65.46cm 5. A circle has an circumference of 10cm. What is its radius? 1.59cm 13. A semi-circle has a perimeter of 40cm. What is its diameter? 15.56cm 6. A circle has an circumference of 20cm. What is its radius? 3.18cm 14. A semi-circle has a perimeter of 40cm. What is its arc length? 24.44cm 7. A circle has an area of 20cm. What is its diameter? 5.05cm 15. A circle has a circumference of 40cm What is its area? 127.32cm2 8. A circle has an area of 40cm2. What is its diameter? 7.14cm 16. A circle has an area of 40cm2 What is its circumference? 22.42cm
