UWIT unit 5 math part 4

convert 25.5' to feet and inches

• 25'6"

• 25'5"

• 26'5"

• 26'6"

Answer explanation

To convert 25.5' to feet and inches, take the decimal part (0.5) and convert it to inches. 0.5 feet equals 6 inches. Therefore, 25.5' is 25 feet and 6 inches, which is correctly represented as 25'6".

convert 13.417 to feet and inches

• 13'5"

• 13'4"

• 13.5'

• 13'4.17"

Answer explanation

To convert 13.417 feet to feet and inches, take the whole number 13 feet. The decimal .417 feet is approximately 5 inches (0.417 x 12 = 5). Thus, the correct conversion is 13'5".

A terrazzo floor plan calls for divider strips to be set from left to right 10.25' , 9.75' , and 8.75'. Find the total length of the floor and give the answer in feet and inches.

• 28' 7.5"

• 28'

• 28'9"

• 28'7"

Answer explanation

To find the total length, add the lengths of the divider strips: 10.25' + 9.75' + 8.75' = 28' 9". Therefore, the correct answer is 28' 9".

If the apprentice wishes to cut a 20-foot section of angle in seven identical lengths, what will the measurements be in fractional inches to the nearest 1/32" (assuming zero loss of metal from cutting)

• 2'10 8/32"

• 2'10 10/32"

• 2'10 3/32"

• 2'10 9/32

Answer explanation

To find the length of each section, divide 20 feet by 7. 20 feet = 240 inches. 240 ÷ 7 = 34.2857 inches. Rounding to the nearest 1/32" gives 34 10/32" or 2'10 10/32", which is the correct choice.

one side of a square measures 7 "

what is the perimeter ?

what is the area?

• P= 49"

  A = 28 sq in

• P= 28"

  A= 28 sq in

• P= 28"

  A= 49 sq in

• P= 49"

  A = 49 sq in

Answer explanation

The perimeter of a square is calculated as P = 4 x side. Here, P = 4 x 7 = 28 inches. The area is A = side x side, so A = 7 x 7 = 49 sq in. Thus, the correct choice is P= 28" and A= 49 sq in.

what is the are in square feet of a rectangle that measures 2'7" by 3'9"?

what is the area in square inches?

(please round your answer to the nearest hundredth)

• 9.7 sq ft, 1395 sq in

• 9.69 sq ft, 1395 sq in

• 9.68 sq ft, 1395 sq in

• 9.69 sq ft, 1350 sq in

Answer explanation

To find the area in square feet, convert dimensions to feet: 2'7" = 2.58 ft, 3'9" = 3.75 ft. Area = 2.58 * 3.75 = 9.675 sq ft (rounded to 9.68 sq ft). For square inches, 9.68 sq ft * 144 = 1395 sq in. Correct choice is 9.68 sq ft, 1395 sq in.

what is the area of granite slab that will be needed to fabricate a planter (with no top) that has a square base 4'6" and is 3' high ?

• 63.48 sq ft

• 72.25 sq ft

• 76.36 sq ft

• 74.25 sq ft

Answer explanation

To find the area of the granite slab, calculate the area of the base (4.5 ft x 4.5 ft) and the area of the four sides (4 x 4.5 ft x 3 ft). Total area = 20.25 + 54 = 74.25 sq ft, which is the correct answer.

A BAC tile setter is laying tile and looks at the blueprints. the tile setter must reinforce and damaged areas more than 225 sq. cm with isolation membrane. If the tile setter finds a damaged area that measures more than 15.5 cm by 13 cm, will it require reinforcing?

• no, it will not need reinforcing.

• yes, it will need reinforcing.

Answer explanation

The area of the damaged section is 15.5 cm * 13 cm = 201.5 sq. cm, which is less than 225 sq. cm. Therefore, it will not need reinforcing.

A wet saw sits in the middle of a work area. The length of the electrical cord is 8'. If the BAC craft worker can move around the machine in a circle, what is the area of that circle to two decimal places?

• 64' sq ft

• 50.26 sq ft

• 206.1 sq ft

• 201.06 sq ft

Answer explanation

The radius of the circle is half the length of the cord, which is 4'. The area of a circle is calculated using the formula A = πr². Thus, A = π(4)² = 50.26 sq ft, making this the correct choice.

The BAC craftworker is determining the weight of circular piece of marble that measures 4'6" in diameter. what is the are of the marble?

• 15.9 sq ft

• 14.14 sq ft

• 16.62 sq ft

• 14.45 sq ft

Answer explanation

To find the area of a circle, use the formula A = πr². The radius is half the diameter, so r = 4.5 ft. Thus, A = π(4.5)² ≈ 15.9 sq ft. Therefore, the correct answer is 15.9 sq ft.