TCM 3.4 - 3.5 Flashcard Review

Front

What is the formula to calculate the area of a rectangle?

Back

Area = length × width.

Front

If a carpet costs $8 per square foot, how do you calculate the total cost for carpeting a room?

Back

Total cost = Area of the room (in sq ft) × Cost per sq ft.

Front

What is the area of a square with a side length of 15 ft?

Back

Area = 15 ft × 15 ft = 225 sq ft.

Front

How do you convert square yards to square feet?

Back

1 square yard = 9 square feet.

Front

What is the area of a regular octagon with a side length of 14.25 ft?

Back

Area ≈ 980.4 sq ft (given).

Front

How do you find the area of a smaller similar shape?

Back

Use the ratio of the sides squared to find the area.

Front

If one bag of fertilizer covers 6 yd², how many bags are needed for a garden of 540 ft²?

Back

Convert 540 ft² to yd²: 540 ft² ÷ 9 = 60 yd². Bags needed = 60 yd² ÷ 6 yd²/bag = 10 bags.

Front

What is the area of a soccer field measuring 120 yds by 90 yds?

Back

Area = 120 yds × 90 yds = 10,800 sq yds.

Front

How do you calculate the number of sod pieces needed for a field?

Back

Number of pieces = Total area of the field ÷ Area of one sod piece.

Front

What is the area of a rectangle that is similar to another rectangle with an area of 54 ft² and a scale factor of 2?

Back

Area = 54 ft² × (2²) = 216 ft².