Perimeter and Area in the Coordinate Plane.Period 5&8

Front

What does perimeter mean?

Back

The distance around the shape.

Front

What is the formula for calculating the perimeter of a rectangle?

Back

P = 2(l + w), where l is the length and w is the width.

Front

What does area mean?

Back

The amount of space inside a shape.

Front

What is the formula for calculating the area of a rectangle?

Back

A = l × w, where l is the length and w is the width.

Front

What is the perimeter of a square with side length 4 units?

Back

16 units.

Front

What is the area of a square with side length 4 units?

Back

16 square units.

Front

What is the formula for the area of a triangle?

Back

A = 1/2 × base × height.

Front

Find the area of a triangle with a base of 6 units and a height of 4 units.

Back

12 square units.

Front

What is the perimeter of a triangle with sides measuring 3, 4, and 5 units?

Back

12 units.

Front

What is the area of a circle with a radius of 3 units?

Back

28.27 square units (using A = πr²).