Question

(Help??)
Given: A rhombus is a quadrilateral with 4 congruent sides.
Prove: If quadrilateral ABCD does not have 4 congruent sides, then it is not a rhombus.

Determine the first step to prove this statement using proof by contradiction.

A.Assume ABCD does not have 4 congruent sides and is a rhombus.
B.Assume ABCD has 4 congruent sides and is not a rhombus.
C.Assume ABCD has 4 congruent sides and is a rhombus.
D.Assume ABCD is not a rhombus.

Answer 1

i know its not D. So im left with abc.

Answer 2

its either A or C.

Answer 3

its either A or B

Answer 4

oops.

Answer 5

iTS b. Right?

Answer 6

im looking for good examples to use.. hmm.. but i think its B.

Answer 7

idk sorry, you need to take the opposite of wat u need to prove. but here really im getting confuse :s

Answer 8

its either A or B for sure. but deciding between them is lil tricky it seems

Answer 9

haha thanks. i chose B. well have to c what the answer is when i finish. x)

Answer 10

ohk fingers crossed lol