Mathematics
Area
| Triangle |
|
$A=1/2 b.h$ |
| Rectangle |
|
A = l . w |
| Parallelogram |
|
A = b ⋅ h |
| Trapezoid |
|
$A = 1/2 ⋅( b_1 + b_2 )⋅ h$ |
| Circle |
|
$A = π . r^2$ |