Identify the center, radius, and diameter of a
circle with the equation (x - 1)2 + (y + 4)2 = 81

probably .5

i can on others if necessary.

answer: graph 2

step-by-step explanation:

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6