That will give to a length of C, which is the radius corner. It will be a small, single digit number. If you are still unsure, remember that smaller is safer than larger; a smaller number will result in more of a square spa cover shape. For additional aid in measuring your radius corner, download this file.
verb (used with object), bemused, bemusing. 1. to bewilder or confuse. 2. to preoccupy; engross. 3. to cause to be mildly amused, especially in a detached way: Apparently bemused by his critics, he floated above the clamor surrounding the campaign. Origin of bemuse.
Noun. 1. tenesmus-painful spasm of the anal sphincter along with an urgent desire to defecate without the significant production of feces; associated with irritable bowel syndrome. cramp, muscle spasm, spasm-a painful and involuntary muscular contraction. Translations.