Which of the following is always true of the vertical angles formed by
perpendicular lines? Check all that apply.
A. They are congruent.
B. They are right angles.
C. They are acute.
D. They are obtuse.

A

Step-by-step explanation:

This is because vertical angles are always congruent, they cross diagonally which makes them equal to each other.

the correct is A and B

Step-by-step explanation:

vertical angles are congruent by definition. Vertical angles formed by two perpendicular lines

are right angles. in fact, all angles formado by perpendicular lines are right angles

:

step-by-step explanation:

x+y = 29, 5x + 2y = 100

step-by-step explanation:

i'm guessing it was a multiple first option was the correct answer