Diameter
If radius is 7 in, what is the diameter?
14in
If circumference is 2 inches, how much is the area?
1/π
What is the most important characteristic of a square?
All sides measure the same.
What is the formula for circumference when given the radius.
C = 2Rπ
If radius is 26 in, what is the diameter?
52 in
If circumference is 6 inches, how much is the area?
9/π
What is Perimeter?
The total length of the boundary of a shape.
What is the formula to find diameter if you have the radius?
D = 2R
If radius is 66 in, what is the diameter?
132 in
If circumference is 10 meters, how much is the area?
25/π
Why can you not use perimeter to calculate the boundary of a circle?
Because the boundary of a circle is called circumference, not perimeter.
What is the formula for the area of a triangle?
A = (b * a) / 2
If radius is 152 in, what is the diameter?
304 in
If circumference is 12 in, how much is the area?
36/π
What is a composite figure?
A figure made out of more than one shape.
What do you need to be able to use this formula of finding area of a circle?
A = r2π
radius
if radius is 1,954 in, how much is the diameter?
3908 in
If circumference is 22 inches, how much is area?
121/π
What is a right prism?
A solid shape with two parallel bases.
What is the formula for area of a right prism?
A = 2 (LENGTH * HEIGHT) + PERIMETER (WIDTH)
A = 2(LH) + P(W)