Scale Drawing
A 120-ft long playground is just 15 in. on the scale drawing. What is the scale on the scale drawing?
What is 8 ft to 1 inch?
Define the area of a circle
The space inside of a circle
Define the circumference of a circle?
The total length of the outside of a circle
True or False? The Radius of a circle is bigger than the Diameter.
FALSE
The diameter of the base of a cylinder is 6cm and its height is 22cm. What is the surface area of the cylinder?
3.14 x 9 = 28.26
2(3.14)(3)(22)= 442.74cm2
A model length of 12 cm. represents an actual length of 102 ft. What is the scale for the model?
What is 1cm to 8.5 ft?
The radius of a circle is 2 inches. What is the area?
12.56 in2 (squared)
True or False. If I know the radius of a circle, I can find the circumference.
TRUE
The diameter of a circle is 100 inches. What is the radius?
50 inches
Find the surface area of a cylinder in terms of pi.
Base (Diameter) 16inches
Height 10inches
radius =8 (squared 8 x8 = 64)
3.14(82)= 64piin
3.14(2)8)(10) =160
224piin2
A model of a car has a scale of 3 cm : 2 m. The length of the actual hood of the car is 1 m. What is the length of the hood of the model?
What 1.5 cm?
When you write the area of a circle, you use the exponent of 2. What word do you use when you say the answer?
Squared
The Circumference of a circle is 110.5 centimeters. What is the diameter of the tire? (Use 3.14 for pi) Round to the nearest tenth.
d=35.2 centimeters squared
The diameter of a circle is 1 cm. What is the radius?
1/2 cm
If 2B = 314
What is the Diameter?
d=20
A blueprint of a house has a scale of 1 in : 6 ft. The living room has dimensions of 18 ft by 24 feet. What are the dimensions on the blueprint of the living room?
What 3 ft by 4 ft?
The radius of a circle is 10 cm. What is the area?
314cm2 (squared)
The diameter of a circle is 1 in. What is the circumference?
3.14 in
The volume of the cylinder is 251.2 cubic centimeters. What is the radius of the cylinder? Use 3.14 for pi
r=4cm2
If PH = 471
What is the height of the cylinder if the diameter is 25
15
A blueprint of a room is drawn to a scale of 3inches = 12 feet. The actual length of one wall is 180 feet. What is the length of this wall on the blueprint?
45 inches
The radius of a circle is 120cm. What is the area?
45,216cm2
A cylinder's diameter is 120meters and its height is 20 meters. What is the volume of the cylinder in terms of pi.
72,000pim2
The diameter of a circle is 1400 cm. What is the radius?
700 cm
What is Mrs. Bowers' favorite color?
Purple
Byeeeeeeeee