Measuring and estimating area of miscellaneous shapes

The diagram shows the spot on a basketball court called the “key”. What is the area of the key? Use 3.14 for ∏ .

• 284.52 square feet
• 228 square feet
• 317 square feet
• 116.71 square feet

A composite shape is made from a triangle, rectangle, and semicircle. Kylie completes the following computations to solve for area. Where did Kylie make an error in the computation?

(Click on your selection)

Find the area of the shaded area only.

(a)  

Analyze the given figure and solve for the exact area of the

of the annulus.

• 69π sq. in

• 36π sq. in

• 33π sq. in

• 63π sq. in

Find the area of the following shape.

• 56 feet sqared

• 57 feet squared

• 79 feet squared

• The answer is not available

What is the area of this composite shape? (Use 3.14 = π and round to the nearest tenths place)

• 21
• 19.2
• 40.2
• 42

Find the area of this figure.

• 24 cm²

• 52 cm²

• 80 cm²

• 104 cm²

In the formula for calculating the area of a regular polygon, p = permeter, s = length of one side, and n = number of sides.

• true
• false

Find the total area of the figure.

• 31 ft²

• 40 ft²

• 60 ft²

• 80 ft²

A cathedral window is shown. If the window is to contain three stained glass sections of equal size, what is the area of each stained glass section?  Express answer to the nearest square foot.

• 1 sq. ft
• 13 sq. ft
• 3 sq. ft
• 26 sq. ft