Circle Geometry Mastery Challenge Exercise

Circle Geometry Mastery Challenge

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Circle Geometry Mastery Challenge

Test your comprehensive understanding of circle geometry with advanced challenge problems. Combine knowledge of circumference, area, and partial circles to solve complex questions.

Questions

  1. MultiChoice

    Find the circumference of a circle with radius 15 cm. (Use pi = 3.14)

  2. MultiChoice

    Find the area of a circle with diameter 18 cm. (Use pi = 3.14)

  3. MultiChoice

    If circumference C = 88 cm, calculate the area of the circle. (Use pi = 22/7)

  4. MultiChoice

    If Area = 154 sq cm, find the circumference of the circle. (Use pi = 22/7)

  5. MultiChoice

    A semicircle has a diameter of 10 cm. Find its total perimeter (arc + base). (Use pi = 3.14)

  6. MultiChoice

    What is the ratio of area of a circle with r = 2 cm to a circle with r = 6 cm?

  7. MultiChoice

    Find the area of a quarter circle with radius 12 cm. (Use pi = 3.14)

  8. MultiChoice

    A circle has a diameter of 50 cm. Find its area in terms of pi.

  9. MultiChoice

    If the circumference of a circle is 100pi cm, what is its radius?

  10. MultiChoice

    Find the area of a ring bounded by radii r = 10 cm and r = 5 cm. (Use pi = 3.14)

  11. MultiChoice

    A wheel with diameter 42 cm turns to cover a distance of 1320 cm. How many revolutions? (Use pi = 22/7)

  12. MultiChoice

    If radius increases by 3 cm (from 5 cm to 8 cm), by how much does circumference increase? (Use pi = 3.14)