Geometry Flashcard Perimeter, Circumference, Area

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

What is the formula for the area of a trapezoid?

Back

Area = (1/2) × (base1 + base2) × height

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2 × π × radius

Front

What is the difference between area and perimeter?

Back

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

Front

If a rectangle has a length of 5 inches and a width of 8 inches, what is its area?

Back

40 square inches

Front

If a rectangle has a length of 10 cm and a width of 4 cm, what is its perimeter?

Back

28 cm

Front

What is the perimeter of a square with a side length of 6 inches?

Back

24 inches

Front

How do you find the area of a triangle?

Back

Area = (1/2) × base × height

Front

What is the area of a rectangle with dimensions 7 feet by 3 feet?

Back

21 square feet