Which question is correct regarding the measure of Angle 1?

OPTION 1:: m/1=1/2(a-c)

OPTION 2:: m/1=1/2(a+c)

OPTION 3:: m/1=1/2(b-d)

OPTION 4::m/1=1/2(b+d)

answer: need picture of problem

step-by-step explanation:

60: 45 =12: 9 =4: 3 so the answer is 4: 3

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

true. i hope this ! go answer some of my newest