<span>Subtract 13.09 from 21.59 giving you 8.5. Since the amount of space on both the left and right margin have to be equal you would divide by 2 to get 4.25 on the left margin as well as the right.</span>
Given that the hypotenuse of the isosceles right triangle = 14 , ⇒ the length of each leg = 14 √ 2 = 7 √ 2 Check : ( 7 √ 2 ) 2 + ( 7 √ 2 ) 2 = 196 = 14 2 (OK)