5.2.3 Quiz: Parallelograms and Proofs Question 2 of 10
Which of the following are necessary when proving that the opposite sides of
a parallelogram are congruent? Check all that apply.
A. Opposite sides are perpendicular.
B. Opposite sides are parallel.
C. Corresponding parts of congruent triangles are congruent.
D. Corresponding parts of similar triangles are similar.

a

Explanation:

a

a charge 3q is at the origin, and a charge −2q is on the positive x axis at x=a. part a where on the x-axis would you place a third charge so it would experience no net electric force? enter an expression for the exact answer, which will involve a square-root sign. (do not enter an approximate decimal answer.)

the answer is 3.1 his answer is wrong mines is right