Practice Circle Geometry Formulas (2.4) - Quadrilaterals & Circles - IB 10 Mathematics – Group 5, Geometry & Trigonometry
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Circle Geometry Formulas

Practice - Circle Geometry Formulas

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the formula for the circumference of a circle?

💡 Hint: Think about the distance around the circle.

Question 2 Easy

How do you calculate the area of a circle?

💡 Hint: Recall how we use the radius for this calculation.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the circumference formula for a circle?

C = πr
C = 2πr
C = r²

💡 Hint: Think about how to measure the distance around the circle.

Question 2

True or False: The area of a circle is calculated as \( A = \pi r^2 \).

True
False

💡 Hint: Remember, area involves squaring the radius.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A pool is circular with a radius of 12 m. Calculate the area of the pool and the circumference.

💡 Hint: Use the formulas for area and circumference respectively.

Challenge 2 Hard

A circular garden has a circumference of 31.4 meters. What is the radius of the garden? Additionally, find the area.

💡 Hint: First, you'll need to find the radius from circumference.

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