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# Geometric Formula Proof Double Integral problems

## Area of a Circle Formula Proof with Double Integration example question

Use Double Integration to arrive at the formula for the Area of a Circle, A, such that Solution to this Calculus Geometric Formula Proof practice problem is provided in the video below!

## Surface Area of a Right Circular Cone Formula Proof with Double Integration example problem

Use Double Integral to arrive at the formula for the Lateral Surface Area of a Right Circular Cone, SA, such that where r is the radius and h is the height.

Solution to this Calculus Geometric Formula Proof practice problem is provided in the video below!

1. Brittany says:

Helped me understand how Integration works with Geometry 🙂

2. Affleck says:

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3. Briangroop says:

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4. JamesLen says:

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5. Brit says:

Thank you so much, very good explanation!

6. Jill Turny says:

Thank you so much for detailed tutorial!

7. Jared says:

Thank you for detailed tutorials and videos!

8. Karen M. says:

Thank you for posting many diverse problems in proving geometry formulas by integrals! Multiple integrals are a bit tougher but still clear thanks to you.

9. KatieBusey says:

10. Finch says:

Very nicely put videos and helpful!

11. Kenny says:

Thank you for the helpful tutorials

12. Fareed says:

Thank you for the variety of useful videos in geometry Integration proofs. Helped so much!

13. Hunter says:

14. Demetra says: