surface area

Front

What is surface area?

Back

The sum of all the areas of all the shapes that cover the object.

Front

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

Back

Surface Area = 6 * (side length)².

Front

If a cube's side length measures 15 inches, what is the surface area?

Back

1350 in².

Front

What do we call a 2D representation of a 3D object?

Back

Net.

Front

What is the surface area of a rectangular prism with dimensions 4 cm, 5 cm, and 6 cm?

Back

Surface Area = 2(4*5 + 5*6 + 6*4) = 94 cm².

Front

Is surface area the same as volume?

Back

No, surface area measures the outer covering, while volume measures the space inside.

Front

What is the surface area of a cylinder with a radius of 3 cm and height of 5 cm?

Back

Surface Area = 2πr(h + r) = 2π(3)(5 + 3) = 150.8 cm².

Front

What does wrapping the outside of a 3D shape refer to?

Back

It refers to calculating the surface area.

Front

How do you find the surface area of a sphere?

Back

Surface Area = 4πr².

Front

What is the surface area of a cone with a radius of 2 cm and height of 5 cm?

Back

Surface Area = πr(r + l), where l is the slant height.