What is the formula for finding the circumference and the area of a circle?
Circumference: 2πr or πd
Area: πr^2
100
What is the formula to finding the volume and surface area of a cylinder?
Volume: πr^2*h
Surface Area: 2πr^2+2πrh
100
In the image as shown, line AB is parallel to line CD. Which of the following is true?
I. arc AC = arc BD II. arc AB=arc CD III. arc AB= arc BD IV. arc AB = arc AC
I. arc AC = arc BD
200
If the radius of a circle is 15.3 centimeters, then what is the diameter?
30.6
200
Find the volume of this cylinder with radius 3 and height 13.
367.38 unit^3
200
Three flower beds overlap as shown.
Bed A had 70 plants, bed B has 50 plants and bed C has 45 plants. Beds A and B share 15 plants while beds A and C share 20. What is the total number of plants?
The total number of plants is 130.
300
What is the circumference of a circle with radius 24?
150.72 units
300
Find the surface area of this cylinder with radius 8 and height 10.
904.32 unit^2
300
What is the maximum number of points of intersection of two different lines and three different circles in the same plane?
19
400
What's the area of a circle with radius 18?
1017.36 units^2
400
A cylinder of radius 2 cm and height 5 cm is removed vertically from a 5 cm × 5 cm × 5 cm cube. What is the surface area of the remaining object?
162.68cm^2
400
A circle of radius 10 has its radius reduced by 4. By what percentage has its area been decreased?
64%
500
The distance from the center of a wheel of a truck to one point on its circumference is 19.42 cm. What is the distance that the wheel will travel if the wheel rolls 3.5 complete rounds?
426.8516 cm
500
The height of a cylinder is 12 cm. If we decrease it by 5 cm, the surface area will decrease by 20π cm2. What is the volume of this cylinder?
150.72cm^3
500
What is the angle between the hour hand and the minute hand of a clock face at 2:25?