Rewrite the statements as a single biconditional statement: if two angles are
supplementary, then the sum of their angle measures is 180°. if the sum of two
angles is 180°. then they are supplementary angles.

idk

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

what am i trying to find out. you didn't put up the whole question.

step-by-step explanation: