Select the correct answer.
The vertices of a parallelogram are AlX1. Y1). BlX2, y2), CX3. Y3), and D(X4. Yd). Which of the following must be true if parallelogram ABCD is proven
to be a rectangle?
OA
and
-1
OB.
(94-
and
Ос.
and
D.
and
= -1

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)

Abcd is a square. what is the measure of angle bac