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Mathematics 20 Online
OpenStudy (anonymous):

Which phrase defines a rhombus? Choose ALL answers that are correct. A. a parallelogram with four congruent angles B. a parallelogram with four congruent sides C. a quadrilateral with four congruent angles D. a quadrilateral with four congruent sides

OpenStudy (spyro517):

Its either A and B or C and D. I'm going with A and B

OpenStudy (anonymous):

d

sammixboo (sammixboo):

http://www.mathsisfun.com/geometry/rhombus.html

sammixboo (sammixboo):

No matter what, all sides are equal and are parallel with the opposite side

OpenStudy (anonymous):

1 choice is definatley a

sammixboo (sammixboo):

Well, we know it wouldn't be C, because if it had 4 congruent angles, it would be a square

sammixboo (sammixboo):

And we know that the opposite angles are congruent, so there isn't any 'four angles are conguent'

OpenStudy (anonymous):

a and probably d

OpenStudy (anonymous):

or no a and b

sammixboo (sammixboo):

Most likely A

OpenStudy (anonymous):

srry typo

OpenStudy (some.random.cool.kid):

its A for a fact

OpenStudy (some.random.cool.kid):

idk about the rest but its definate A

sammixboo (sammixboo):

Dang it. I misread, but it would be B, not A, because if it had four congruent angles it would be a square

sammixboo (sammixboo):

All sides are always equal, so that means there would be 4 congruent angles

sammixboo (sammixboo):

I mixed up A with B >_<

OpenStudy (anonymous):

no not necessarily

sammixboo (sammixboo):

Yes, in a rhombus, all sides are equal

OpenStudy (some.random.cool.kid):

a is angles

OpenStudy (anonymous):

they could all have congruent angles cause congruent means same

OpenStudy (some.random.cool.kid):

b is sides

OpenStudy (some.random.cool.kid):

its most likely A

sammixboo (sammixboo):

That would mean they would ALL be the same angle measurement

OpenStudy (anonymous):

its a and i have my mind set on b

OpenStudy (some.random.cool.kid):

exaclty

sammixboo (sammixboo):

Take a look here : http://www.mathsisfun.com/geometry/rhombus.html : read carefully :) It explains your answer

OpenStudy (anonymous):

exactly@sammixboo

OpenStudy (some.random.cool.kid):

they are all same angles

sammixboo (sammixboo):

If they all had the same angles, it would be a square not a rhombus :(

OpenStudy (some.random.cool.kid):

gtg

OpenStudy (anonymous):

a square isnt the only shape with equal angels have you ever heard of an equallateral triangle

OpenStudy (anonymous):

and a rhoumbouse has the same angels they can all have a 20 or 50 45 degree angle it doesnt matter

sammixboo (sammixboo):

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