Solving mathematical and real-world problems involving surface area of composite solids

What is the area of the shaded region?

• 14 m²

• 120 m²

• 106 m²

• 100 m²

The figure below show a triangular shaped garden located inside a rectanualr shaped, grassy yard.  What is the area of the grassy yard?

• 480 m^2
• 384 m^2
• 360 m^2
• 336 m^2

What is the surface area of the smaller solid shown below?(Type as improper fraction, numerical only)

(a)  

Mr. Hubbs bought a new home and wanted to place new grass on his lawn around his house. What is the area of the shaded area shown, his lawn?

• 13,600 ft²

• 18,400 ft²

• 16,000 ft²

• 2,400 ft²

Do you have your STAAR chart?

• Yes! Let's get this party started!

• No I don't but I'm fixing to get one before I go to the next question.

A company sells cardboard scratching blocks for cats. The block is shaped like a right rectangular prism with a rectangular hole cut through its center. A cat can scratch on any face of the block, including the bottom and inside faces. What is the total area of the block's scratching surface?

• 1440 in²

• 1248 in²

• 604 in²

• 1056 in²

A shape is made using a square and 3 semicircles.

• The area of the square is ​ (a)   m²

• The area of the 3 semicircles is approximately ​ (b)   m²

• The area of the entire shape is approximately ​ (c)   m²

• 100
• 117.75
• 217.75
• 314
• 942
• 1,042
• 471

What is the area of the shaded region?

• 14 m²
• 120 m²
• 106 m²
• 134 m²

Alex is putting trim around the window shown. If trim cost $3.00 per foot, how much will it cost to put trim around the window?

• $83

• $93

• $121

• $142

FInd the Surface area of the shape below?

• 258 m²
• 268 m²
• 248 m²
• 278 m²