7) Given that the points A=(-1,4,0), B=(2,1,1), C = (2,-2,1) are three vertices of the parallelogram ABCD, find [10 MARKS] a) The fourth vertex D. b) Determine the angles by using the dot product. Round the answer to the nearest one decimal place. c) The area of the parallelogram ABCD. Round the answer to the nearest one decimal place.

7) Given that the points A=(-1,4,0), B=(2,1,1), C = (2,-2,1) are three vertices of the parallelogram ABCD, find [10 MARKS] a) The fourth vertex D. b) Determine the angles by using the dot product. Round the answer to the nearest one decimal place. c) The area of the parallelogram ABCD. Round the answer to the nearest one decimal place.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter4: Quadrilaterals

Section4.1: Properties Of A Parallelogram

Problem 43E: Two streets meet to form an obtuse angle at point B. On that corner, the newly poured foundation for...

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