3.1414159265358979323846264338327950288419716939
937510
or 22/7
this never ending number is most commonly used as simply 3.14 (and no you can not eat it!!!)
What is pi ( π )
100
A = bh
or
A = base × height
Area of what shape?
What is area of a rectangle or parallelogram (A)
100
a rectangle with the sides measuring as follows
base = 4cm
height = 8cm
What is 32cm²
100
find the area of a parallelogram with sides measuring as follows
base = 2cm
height = 8cm
What is 16cm²
200
the lenght of a shape crossing through the center to the two sides of the shape.
What is diameter.
200
the very middle of an object
What is center
200
R = D ÷ 2 or D/2
or
R = Diameter ÷ 2
What is radius (R)
200
a triangle with the sides measuring as follows
base = 8cm
height = 3cm
What is 12cm²
200
a triangle with the sides measuring as follows
base = 6cm
height = 4cm
What is 12cm²
300
A straight line cutting through a circle from the very center to the exterior edge.
What is radius.
300
a flat 3-sided shape with 3 corners or points
What is a triangle
300
C = πD/2
or
C = Pi × Diameter/2
What is circumference of a half circle (C)
300
Find the diameter of a circle with a radius of 6cm
What is 12cm
300
Find the diameter of a circle with a radius of 4.5cm or 4½cm
What is 9cm
400
the size of an objects surface
What is area
400
A 4-sided flat shape with straight sides where opposite sides are parallel
What is parallelogram
400
C = πD or C = 2πR²
or
C = pi × Diamerer or C = 2 × pi × radius²
What is circumference of a circle (C)
400
Find the radius of a circle with the diameter of 8cm
What is 4cm
400
Find the radius of a circle with the diameter of 5.5cm or 5½cm
What is 11cm
500
The distance around a circle
What is circumference
500
Two lines that never meet and are always the same distance apart
What is parallel lines
500
A = bh ÷ 2
or
A = base × height ÷ 2
Area of what shape?
What is area of a triangle (A)
500
Find the circumference of a circle with a radius of 5cm
or
a circle with the diameter of 10cm
(both answers are the same as it would be the same size circle)
What is 31.4cm
500
Find the circumference of a circle with a radius of 4cm
or
a circle with the diameter of 8cm
(both answers are the same as it would be the same size circle)