Geometry Formulas Flashcard

Front

What does the 'r' represent in geometry?

Back

The 'r' represents the radius of a circle or sphere.

Front

What is the formula for the surface area of a cylinder?

Back

A = 2πrh + 2πr²

Front

How do you calculate the volume of a cylinder?

Back

Volume = πr²h

Front

What does the 'h' represent in geometry?

Back

The 'h' represents the height of a shape.

Front

What is the formula for the volume of a sphere?

Back

Volume = \frac{4}{3}πr³

Front

What is the formula for the surface area of a sphere?

Back

Surface Area = 4πr²

Front

What is the formula for the area of a triangle?

Back

Area = \frac{1}{2}bh, where b is the base and h is the height.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What does the term 'diameter' refer to?

Back

The diameter is twice the radius of a circle.