What is the area of a triangle with a base of 12 in and a height of 15 in.
Formula= base x height / 2
Area = 90 sq. in.
What is the perimeter of a triangle with a side of 15, 12, and 13 cm?
P = 40 cm
Find the surface area:
l = 23 in
w = 2 in
h = 5 in
SA = 342 sq in.
James what to paint his room and ceiling. The ceiling is 10 ft by 13 ft. Two of the walls are 13 ft by 12 ft and the other two walls are 10 ft by 12 ft. If 1 gallon of paint covers 350 square feet. How many gallons of paint will it take to paint the room?
1.95 gallons or 2 gallons if we round up.
What are the 3 requirements to be placed into Algebra?
1. Have an 87 or higher in Math
2. Score really high on the easyCBM 30 out of 45 for your Proficient Math
3. Score well on your SBAC
What is the area of a square with a side length of 6 cm?
A = 36 sq cm.
What is the area of a square with a side length of 10 in?
P = 40 in
Find the surface area:
l = 5.5 meters
w = 10.5 meters
h = 2.5 meters
SA = 195.5 sq. meters
A large aquarium measures 120 cm long, 45 cm wide, and 60 cm high. The top is completely open. The glass costs $0.18 per square cm. What is the total cast of the glass needed to build the aquarium?
$4,536.00
A cylinderical storage tank has a radius of 2.5 meters and a height of 6 meters. The bottom of the tank sits on a concrete foundation and does NOT need to be painted. There is a circular hatch with a radius of 0.4 meters is cut out of the top. Paint cost $12 per square meter. What is the total cost to paint the exterior of the tank? A rough estimate.
$1,360.68
What is the area of a rectangle with a length of 15 ft and a width of 30 ft?
A = 450 sq ft.
What is the perimeter of a rectangle with a width of 10 in and length of 20 in?
P = 60 in
Find the surface area: (Answer must be in sq. inches)
l = 12.57 in
w = 13.5 in
h = 2 ft
Hint: convert ft to inches.
SA = 1590.75
A warehouse measures 25 m long, 18 m wide, and 12 m high. The bottom sits on a concrete foundation and does not need insulation. However, there are 2 garage doors measuring 4 m by 5 m. and 6 windows measuring 2 m by 1.5 m. Find the total surface area the needs to be insulated?
A cylindrical pipe has a height of 18 ft and a diameter of 3 ft. It will be wrapped completely in insulation. However, two circular inspection covers (each with a radius of 0.5 ft) will not be covered. How many square feet of insulation are required?
182.21 ft2
What is the area of a triangle with a base of 1.5 in and a height of 4.8 in?
A = 3.6 sq in.
What is the perimeter of a rectangle with a width of 15.5 meters, and a length of 20.5 meters?
P = 72 meters
Find the surface area:
l = 18 cm
w = 12 cm
h = 9 cm
SA = 972 sq cm.
A gift box measures 10 in by 8 in by 6 in. The outside of the box is wrapped in gift wrap. The inside (including the bottom and four walls but NOT the lid) is lined with fabric. What is the SA of the wrapping paper needed for the outside? And the surface area of fabric needed for the inside?
Outside: 376 sq in.
Inside: 296 sq in.
A decorative column has a height of 250 cm and a diameter of 80 cm. The column is covered in gold leaf on the curved surface only (not the top or bottom). Gold leaf costs $0.45 per square cm. What is the total cost to cover the column?
SA = $28,274.40
What is the area of a circle with a diameter of 14 in?
Formula: A = pi x r2
What is the perimeter of a triangle with the side of 12.5 cm, 13 cm, and 15.25 cm?
P = 40.75 cm
A storage crate is shaped like a rectangular prism with a length of 2.5 meters, a width of 1.8 meters, and a height of 1.2 meters. The crate will be coated in a protective sealant except for the bottom. The sealant costs $4.75 per square meter. Find the total cost to coat the crate.
Cost: $70.40
A wooden shipping crate measures 4.5 ft long, 3 ft wide, and 2.5 ft high. Metal reinforcement plates measuring 6 in by 6 in are placed on each of the 8 corners of the crate. The plates completely cover the wood underneath them.
How many square feet of wood remain exposed on the outside of the crate? (convert inches to feet)
62.5 ft 2
What is 59?
1,953,125