"Area and Perimeter of Rectangle
'<hr /><div style="max-width:100mm;"><img style="height:55pt;" class="side" alt="rectangle.png" src="https://calcpad.eu/media/math/area/rectangle.png"></div>
'Dimensions
a = ?', 'b = ?
'Area
A = a*b
'Perimeter
P = 2*(a+b)
'2	1