Round, no straight lines, no points and never ending. A circle is 360 degrees.
100
What is a circle graph?
It is a way of giving data in percentage.
100
Consider the following statement. If the radius of a circle is doubled the area is always doubled.
never true
200
What is the area of a circle with the radius of 4 mm?
50.24 mm
200
What is the circumference of a circle if the diameter is 3 cm?
9.42 cm
200
What is the definition of Diameter?
The distance from one side of the circle through the center to the other side.
200
In a class of 20, 25% took soccer. What number of students took soccer?
5
200
Ashley sits on a carousel horse that is 4.8 m from the center of the carousel. How far does she travels in 1 rotation?
30.14
300
What is the area of the circle with a diameter of 5 cm?
19.63 cm
300
What is the circumference of a circle with a radius of 2 m?
12.56 cm
300
What is the definition of Radius?
Half the diameter, it measures from the center to the outer edge.
300
In a dance with 300 students 50 of those were students from grade 7. What is the percentage of the number of grade 7 students who attended?
17%
300
Consider the following statement. If the radius of a circle is doubled, the circumference is also doubled.
Never True
400
A circular porthole on a ship has a radiius of 21 cm.
Area of this porthole is.......
1,384.74
400
What is the circumference of a circle with the radius of 20 m?
125.6 m
400
What is the definition of Circumference?
The distance around the outside of a circle- known as the perimeter.
400
In the summer holidays 4000 books were signed out. 400 of those books were science fiction. What is the percentage of the books that were science fictions?
10%
400
Suki is walking on a circular path around a park. The diameter of the circle is 3 km. What is the distance that she walks? Answer to the nearest kilometer.
9 km
500
What is the area of the circle with a diameter of 20 mm?
314 mm
500
The diameter of a circle is 20 centimeters. The circumference is......
62.8 cm
500
What is the definition of Sectors?
A section of the circle formed by two radii and the arc of a circle connecting the radii.
500
A school with 520 people have different ways of transporting themselves to school. One way is to walk about 300 students walk to school. What percentage of students walk to school?
58%
500
The outer ring on the Canadian toonie has and outside diameter of 28 mm and an inside diameter of 16 mm. What is the area of the outer ring to the nearest hundereth of a square milimeter?