- Perimeter is the sum of the length of all sides of a 2D shape.
- Area is the 2D measure of the size of a shape.

What is the perimeter and area of the given triangle?

Perimeter:

Area:

- Surface area is the amount of area exposed to the surroundings of a 3D object.
- Volume is the amount of space a 3D object fills.

Find the volume and surface area of the given rectangular prism.

Surface Area:

6 sides

2 – 2 × 4 sides

2 – 2 × 3 sides

2 – 3 × 4 sides

Volume: