This is the distance between the center of a circle and any point on the circle.
What is radius?
The circumference to the diameter equals what decimal number (round to the nearest hundredth)
3.14
what is the formula to find the area?
πr2
(pi)(r)2
What is the area formula for triangle?
1/2 BH
Center or origin
What is the circumference of a circle with a radius of 10 feet.
62.8 feet
What is the area of a circle with a radius of 20 feet.
1256 ft2
Mrs. Chung has a garden that is 11 x 4ft. She wants to install fencing around it to protect her garden. How much fencing does she need?
We need to find the perimeter:
11+11+4+4=30 feet
What is the line that contains the center of the circle and two points on opposite sides of the circle.
The circumference of a circle with a radius of 25 centimeters.
What is 157 centimeters?
What is the area of a circle with a diameter of 10 in.
78.5 in2
What is the area of the dimensions of this triangle.
height: 4in
base: 6in
side: 10in
1/2 bh or bh/2
4(6)/2=12 in
pi is the ratio for ____________: __________
circumference:diameter
What is the diameter of a circle with a circumference of 47.1 inches.
15 inches
What is the area of a circle with a diameter of 154 cm?
18,617.06 cm2
A square has an area of 36 in2.
What is the length of its' sides?
6in
The radius is ______ the diameter.
a. twice
b. quarter
c. half
d. equal to
What is the radius of a circle with a circumference of 125.6 millimeters.
20 millimeters
What is the radius of a circle with an area of 28.26 ft2.
3 feet
A rectangle has a perimeter of 32 cm.
It's area is 55 cm2.
What are the dimensions of this rectangle?
11 cm x 5cm or 5 cm x 11 cm