Section 12.4: Problem 9 Previous Problem Problem List Next Problem (1 point) Find the area of the parallelogram with vertices (-1, -9, 7), (4, -18, 7), (3, -3, 6), and (8, -12, 6). Parallelogram has area Preview My Answers Submit Answers You have attempted this problem 0 times. You have 10 attempts remaining. Show Past Answers Page generated at 07/15/2022 at 05:40am PDT WeBWork @ 1996-2017| theme: math4 | ww_version: WeBWork-2.13 |