Unit 5 Test Review. Which of the following is true for all parallelograms?. A. Opposite angles are congruent. B. Diagonals are congruent. C. Consecutive angles are complementary. D. Diagonals are perpendicular. Which of the following is true for all trapezoids?.
In any parallelogram ABCD, it is always true that the measures of ABC and CDA:
DRAW A PICTURE
AB // CD
L that the diagonals of ABCD are perpendicular.
JFind the 4th vertex rectangle JKLM.
The slopes and lengths of 5 diagonals are given. Determine which two could be the diagonals of the same square.