Want to calculate the radius of a circle from its area or perimeter? Here are the key formulas that no one explains clearly! ...

Before starting this guide, it may be helpful to read the guide from Module 3 (M3) on perimeter ... the volume and surface area of cones and spheres will appear on the formula sheet provided ...

But before there was CAD there was Drafting and its associated arts, and one couldn’t just select a shape and see its area in the square ... the length of the perimeter, but the size of the ...