gerard is trying to prove that the diagonals in any parallelogram bisect each other. what is the best choice for the first line in his proof?
a) let ∠aeb be congruent to ∠dec.
b) let ac and bd be the diagonals of a parallelogram.
c) let point e be the midpoint of segments ac and db.
d) let de be congruent to eb and ae be congruent to ec.

Option: B is the correct answer.

( B) AC and BD be the diagonals of a parallelogram ).

Step-by-step explanation:

The best choice for the first line in the proof:

Gerard is trying to prove that the diagonals in any parallelogram bisect each other.

so for the proof of anything we have to firstly write the information given to us.

so in the following proof we have to assume that AC and BD be the diagonals of a parallelogram and later work on it to prove the asked expression.

Hence option B is correct.

add an image !

step-by-step explanation:

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.