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Mathematics 16 Online
OpenStudy (keana):

The slope formula can be used to prove a quadrilateral has a. congruent sides b. proportional angles c. parallel sides d. congruent angles

OpenStudy (keana):

@ganeshie8

ganeshie8 (ganeshie8):

slope formula gives u info about "angles",

ganeshie8 (ganeshie8):

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

ganeshie8 (ganeshie8):

which options u can strike off ?

OpenStudy (keana):

a & c

ganeshie8 (ganeshie8):

yes !

ganeshie8 (ganeshie8):

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

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