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/surface covered 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
A line that goes from the center of a circle to the outside of a circle.
What is RADIUS?
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
What is the bottom of a triangle called?
What is BASE?
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
What are you measuring if you measure how tall something is?
What is HEIGHT?
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 inches by 4 inches?
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 diameter of a circle is 550 inches. What is the radius?
What is 275 inches?
What is the amount of surface that is covered in a 2D shape called?
What is AREA?
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
What is the circumference of a circle with a diameter of 6 mm?
HINT: 3.14 (diameter)
What is 18.84 mm?
The diameter of a circle is 1400 cm. What is the radius?
700 cm
What is the distance/perimeter around a circle called?
What is CIRCUMFERENCE?