If c is the length of side of triangle
Height is by pythagore theorem
Draw a rectangle triangle which hypothenuse is and one of small side
You find that
And you were right.
Ok for the rest?
posted by david 18 and answered by vincesonfire
this problem is simplified by taking unity as the radius of the large circle.Following vinci formulars iget an answer as follows
3/4xradical 3-pi/4 dividedby pi-3/4 xradical 3 and numerically slightly lower than the previous answer and does not generate negative numbers