11.4 FLASHCARDS Composite Area (optional practice)

Front

What is the area of the unshaded region if the options are 117 cm², 33.5 cm², 58.5 cm², 25 cm²?

Back

33.5 cm²

Front

Which is the best estimate of the area of the figure if the options are 12,717 ft², 8,100 ft², 27,176 ft², 19,074 ft²?

Back

27,176 ft²

Front

What is the area of the following shape if the options are 17 in², 27 in², 162 in², 54 in²?

Back

27 in²

Front

What do you call a figure made of triangles, quadrilaterals, semicircles, and other two-dimensional figures?

Back

Composite Figure

Front

Find the area of the shaded region if the options are 350 cm², 137.5 cm², 212.5 cm², 484.2 cm²?

Back

212.5 cm²

Front

Define Composite Area.

Back

The total area of a shape that is made up of two or more simple geometric 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 = 1/2 × base × height.

Front

What is the formula for the area of a circle?

Back

Area = π × radius².

Front

How do you find the area of a composite figure?

Back

Calculate the area of each simple figure and then sum them up.