Show:
∏
Circles
Shapes
Perimeter
Mystery
100
What is ∏ rounded to?
3.14
100
Does a circle have a perimeter?
No. It has a diameter
100
Does a shape have to be congruent to be similar?
No.
100
The distance around a polygon
What is perimeter
100
How do you find the area of a polygon?
length x width
200
Is ∏ an infinite number
Yes
200
Radius
What is a straight line going from center to rim?
200
A rectangle with all parallel sides
What is a square
200
If a square has one side four yards, what is the perimeter?
16 Yards
200
How do you find the area of a circle?
∏r2
300
The circumference divided by the diameter =?
∏
300
What is a line on a circle that goes from side to side and passes through the center?
The diameter
300
Is a trapezoid a simple shape?
Yes.
300
If an equilateral triangle has one side three inches what is the perimeter?
9 inches
300
What is area?
∏r2 or length x width
400
what is the formula for the area of a circle?
∏r2
400
The formula for the circumference of a circle.
What is ∏d?
400
Is a rectangle a square?
NO
400
Does a circle have a perimeter?
NO, it has a circumference
400
What is a proper name for a 3D circle?
Sphere
500
Where does the symbol ∏ come from?
The Greek alphabet
500
A line connecting two points on the circle but not passing through the center.
What is a chord?
500
Does a square have a diameter?
No
500
What's the formula for circumference?
Dx∏
500
What's a simple shape?
A shape with no intersecting line segments