What is 1200 as a percent and decimal?

To write 1200 as a decimal you have to divide numerator by the denominator of the fraction. 1200 is not a fraction so it is a decimal already. And finally we have: 1200 as a decimal equals 1200.  And as a percent its the same just add a percent sign

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.