Area of 2D Figures

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 = (base × height) / 2

Front

What is the formula for the area of a circle?

Back

Area = π × radius²

Front

What is the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

What is the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3

Front

What is the definition of a prism?

Back

A prism is a 3D shape with two parallel, congruent bases connected by rectangular faces.

Front

What is the area of a base in a prism?

Back

The area of the base is the area of the shape that forms the bottom of the prism.

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

What is a rectangular prism?

Back

A rectangular prism is a 3D shape with six rectangular faces.

Front

How do you find the area of a triangle with a base of 10 cm and a height of 5 cm?

Back

Area = (10 cm × 5 cm) / 2 = 25 cm²