Area of 2D shapes

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

What does 'area' mean in geometry?

Back

The amount of space inside a shape.

Front

What is the formula for the area of a trapezoid?

Back

Area = 1/2 × (base1 + base2) × height

Front

What is the difference between diameter and radius?

Back

Diameter is twice the radius; radius is half the diameter.

Front

If the radius of a circle is 7 feet, what is the area?

Back

154 square feet (Area = π × 7²)

Front

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

Back

16 square feet (Area = side × side)

Front

How do you find the area of a parallelogram?

Back

Area = base × height

Front

What is the area of a circle with a diameter of 10 feet?

Back

78.5 square feet (Area = π × (5)²)