20) Quadrilateral ABCD is graphed on a coordinate plane.

Last updated: 7/9/2022

20) Quadrilateral ABCD is graphed on a coordinate plane. Three of its vertices are at A (2, 6), B (6, 8), and C (8, 4). Which of the following additional statements is sufficient to prove that quadrilateral ABCD is a square? IS A The slope of AD is - 2. B The length of CD is 2 C CD and AD are congruent. D BD has a slope of 3 and a length of 2 Square root of 10