Unit 11 Review Composite shapes

Front

What is a composite shape?

Back

A composite shape is a figure that is made up of two or more simple shapes, such as rectangles, triangles, and circles.

Front

How do you calculate the area of a composite shape?

Back

To calculate the area of a composite shape, divide it into simpler shapes, calculate the area of each, and then sum those areas.

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 is the shape of the cross-section of a cylinder when sliced perpendicular to its base?

Back

Rectangle.

Front

What shape is formed by rotating a rectangle around one of its sides?

Back

Cylinder.

Front

What is the area of a rectangle with a length of 5 ft and a width of 8 ft?

Back

40 ft².

Front

What is the area of a triangle with a base of 6 cm and a height of 4 cm?

Back

12 cm².

Front

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

Back

28.27 m² (using π ≈ 3.14).