Cross sections are the results of slicing ______dimensional figures
3
What kind of 3D figure would this net create?
Triangular prism
What is the area of this shape? To the nearest hundredths. Include units!
226.98 m2
Fill in the blank: Radius = ________ of the diameter
half!
Who is the coolest math teacher ever?
Ms. Struzzieri
Identify the cross section of this sphere.
Circle
What is the surface area of the figure above?
384 ft2
What is the area of this shape? Include units!
70 m2
What is the circumference to the nearest hundredths? Include units
25.13 km
Fill in the blank: The distance around a circle is known as the ________________________
Circumference
Identify the cross section of this cylinder
Rectangle
What is the surface area of the figure above? Include units.
62 yd2
What is the area of this shape?
558
A circle has a radius of 15 feet. What is the circumference to the nearest hundredths? Include units
94.25 ft
Given each scenario, state whether you would need to find the area or circumference:
1. Distance around a circular NASCAR racetrack
2. Frosting needed to cover a cake
3. The space a circular rug takes up
4. Putting a fence around an above ground pool
1. circumference
2. area
3. area
4. circumference
What is the volume of the triangular prism
80 ft3
What is the surface area of the above figure?
120 ft2
What is the area of this shape? Include units!
72 cm2
A circle has a circumference of 50π. What is the radius?
25
Why are the units for area always squared?
Because you are multiplying something against itself!
ex: ft x ft = ft2
What is the volume of the triangular prism to the nearest hundredths? Include units.
136.96 ft3
What is the surface area of the figure above?
416 yd2
A person is painting 4 walls in their room. Two walls have a length of 8 feet and a width of 9 feet. The other two walls have a length of 12 feet and a width of 20 feet. It costs $3 per foot to paint the walls. How much do they spend on painting this room?
$1872
A car travels around a circular race track 5 times. If the radius is 40 meters, how far did the car go? To the nearest hundredths. Include units
1,256.64 meters
A circle has an area of 150 m2. What is the diameter to the nearest meter?
14 meters