Basic Math Examples

Find the Area circle (1)
r=1
Step 1
The area of a circle is equal to Pi π times the radius r squared.
π(radius)2
Step 2
Substitute in the value of the radius r=1 into the formula for the area of a circle. Pi π is approximately equal to 3.14.
π12
Step 3
One to any power is one.
π1
Step 4
Multiply π by 1.
π
Step 5
The result can be shown in multiple forms.
Exact Form:
π
Decimal Form:
3.14159265
r=1
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π
π
7
7
8
8
9
9
4
4
5
5
6
6
/
/
^
^
×
×
>
>
!
!
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
,
,
0
0
.
.
%
%
=
=
 [x2  12  π  xdx ]