Question

The slope formula can be used to prove a quadrilateral has

a. congruent sides

b. proportional angles

c. parallel sides

d. congruent angles

Answer 1

@ganeshie8

Answer 2

slope formula gives u info about "angles",

Answer 3

so u may directly strike off options that talk about "sides"

Answer 4

which options u can strike off ?

Answer 5

a & c

Answer 6

yes !

Answer 7

and since lines are parallel oly when slopes are equal, u can figure out "congruency" of angles using slope formula.
Answer is last option.