Area and Perimeter Flashcard

Front

What is the definition of area?

Back

The amount of space inside a shape.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the formula for the area of a circle?

Back

Area = π × radius².

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its area?

Back

15 cm².

Front

What is the perimeter of a rectangle?

Back

The distance around a rectangle, calculated as 2 × (length + width).

Front

If a square has a side length of 4 m, what is its area?

Back

16 m².

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.

Front

Find the area of a circle with a radius of 3 cm.

Back

28.26 cm².

Front

If the area of a rectangle is 44 m² and the length is 11 m, what is the width?

Back

4 m.