Triangles
Circles
%, fraction, decimal
100
All angles on a triangle equal
180 degrees
100
Radius is
A line that goes from one end to the center
100
5/20 as a decimal is
25%
200
The formula to find the area of a triangle is
bxh/2
200
Diameter is
a line that goes from one end to the other
200
19/20 as a decimal
.95
300
The area is 
70 m2
300
The area of the circle is 
50.27 cm2
300
78% as a decimal
.78
400
The area is
24
400
The formula to find area of a circle is
3.14 x radius2
400
34% simplified as a fraction is
17/50
500
The height of this triangle is 
16
500
The formula for circumference of a circle is
3.14 x diameter
500
6/86 as a decimal is
14.3