8 divided by 15 isn't possible so according to the rules of division we introduce a (0.) then we add a (0) to the back of (8) to make it (80) which is bigger than (15) so we now have (80/15) which is (5) remaining (5) then we add the back of the (0.) it then becomes (0.5) we then step down the remaining (5) and also add a (0) at the back to make it (50) which is also bigger than (15) (50/15) which gives us (3) and a remaining (5) add (3) to the back of (0.5) to become (0.53) also still step down the remaining (5) add a zero to it to become (50) still divide by (15) gives (3) and remains (5) and it gives the same answer so it is a reoccurring decimal.
In this equation the angle C is between the two adjacent sides ab Since the lengths are equal we can call them both X Hence 254= 1/2 (x)(x) sin53 By simplifying 508 = (x^2) sin53 So therefore x is the square root of 508 divided by sin53 which means the length of the sides is 35.8km to 3 significant figures