Alaptop has the listed price of $523.99 before tax if the sales tax rate is 8.25% find the total cost of the laptop with sales tax included.
round your answer to the nearest cent as necessary.

hello from mrbilldoesmath!

answer:   x^2 + y^2 = 1024

discussion:

the equation of a circle with center (h,k) and radius "r" is

(x-h)^2 + (y-k)^2 = r^2.

in our case

(x-0)^2 + (y-0) ^2 = 32^2 = 1024

you,

mrb

you need to rotate this triangle about the origin 270 degrees clockwise to create the full square.

391.6 is the correct answer