Question

I have to choose the statement that is NOT always true: For a rhombus________________.

A. each diagonal bisects a pair of opposite angles
B. All four sides are congruent
C. The diagonals are congruent
D. the diagonals are perpendicular

I think its B

Answer 1

Well, how did you get that answer?

Answer 2

Oh, never mind. i forgot its what is NOT always true

Answer 3

Yes.

Answer 4

By definition, B is always true.

Answer 5

but not in this case when it wants what is not always true. A?

Answer 6

Hm.

Answer 7

Have you learned triangle congruence yet?

Answer 8

Im not sure. I don't think so

Answer 9

Well, why don't we draw a rhombus and just eyeball it?

Answer 10

A rhombus is by definition a quadrilateral with four congruent sides.

Answer 11

thats what i was just doing

Answer 12

A parallelogram, sorry.

Answer 13

ok

Answer 14

As you can see, the four triangles are congruent.

Answer 15

yes they are

Answer 16

Because of SSS congruence.

Answer 17

ok

Answer 18

Now, what do you think about A? (I mean, choice A)

Answer 19

well they insect but could it always be that way?