T has 4 times what R has, so 2.105*4 which is 8.42
The answer is 325, 20 + 205 + 100 = 325
The equation of a circle with center at (h,k) is
(x-h)^2+(y-k)^2=radius^2
given
(x-(-1))^2+(y-3)^2=9
center is (-1,3)
first option
The answer to the question is b