Two intersecting segments form the diagonals of a quadrilateral. What additional information do you need to know about the diagonals to prove that the quadrilateral is a parallelogram?

a. they must be perpendicular

b. they must bisect each other

c. they must intersect in the center of the quadrilateral

d. they must be congruent

B. They must bisect each other

Step-by-step explanation:

Found the answer on quizziz

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

tap for more

y

=

−

2

find the upper bound of the range.

tap for more

y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

29.5977692753

step-by-step explanation: