anonymous
  • anonymous
get a medal Which figure must be a square? A. a quadrilateral with four right angles B. a parallelogram with four congruent sides C. a rhombus with four right angles D. a quadrilateral with congruent sides
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
help
anonymous
  • anonymous
Alright lets start elimination. @maymuna
anonymous
  • anonymous
What choice do you know it CANT be. @maymuna

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More answers

anonymous
  • anonymous
a ,b ,d
anonymous
  • anonymous
Well... what is a quadrilateral.. do you know or do you want me to explain?
anonymous
  • anonymous
a quadrilateral is a polygon with four edges (or sides) and four vertices or corners.
anonymous
  • anonymous
Right... so a square is also that... so we CANT eliminate d or a
anonymous
  • anonymous
BUT we CAN eliminate b and c.
anonymous
  • anonymous
so now whats left is just a and d.
anonymous
  • anonymous
Now A... a quadrilateral with four right angles
anonymous
  • anonymous
This can also be a rectangle... not necessarily a square right?
anonymous
  • anonymous
so a is the answer
anonymous
  • anonymous
No... because a can be a rectangle or a square!
♪Chibiterasu
  • ♪Chibiterasu
A square has four equal sides and all angles MUST be right angles.
anonymous
  • anonymous
BUT D... is right because a square is a quadrilateraly and should have congruent sides!
anonymous
  • anonymous
So the answer is D!
♪Chibiterasu
  • ♪Chibiterasu
Yep!
anonymous
  • anonymous
Hope this helped!
anonymous
  • anonymous
Have a great day everyone! :D
anonymous
  • anonymous
thanks
♪Chibiterasu
  • ♪Chibiterasu
Remember congruent = equal in size
anonymous
  • anonymous
Right!
anonymous
  • anonymous
Bye now!
♪Chibiterasu
  • ♪Chibiterasu
Oh yeah, he's right. IT's not D, they didn't give specific amoutn of sides so it could be a rectangle.
mathstudent55
  • mathstudent55
D is not correct. A rhombus is a quadrilateral with 4 congruent sides and is not necessarily a square.
mathstudent55
  • mathstudent55
To have a square you need 4 congruent sides and 4 right angles.
anonymous
  • anonymous
D is not correct. you could have a quadrilateral with 4 congruent sides which could be a rhombus.
mathstudent55
  • mathstudent55
Look at A. 4 right angles can be any rectangle, not just a square, so A is not it.
anonymous
  • anonymous
is it b
anonymous
  • anonymous
A rhombus, by definition, has four congruent sides. so if a rhombus has right angles as well, like option C, then it has congruent sides and congruent right angles. therefore, C is you answer
mathstudent55
  • mathstudent55
Now look at B. A parallelogram with 4 congruent sides is a rhombus. Again it may not be a square.
♪Chibiterasu
  • ♪Chibiterasu
A rhombus CAN be a square but they werent specific about the angles.
anonymous
  • anonymous
so it is c
♪Chibiterasu
  • ♪Chibiterasu
A parallelogram is out because it's two pairs of equal sides, four equal sides isnt possible.
mathstudent55
  • mathstudent55
C: a rhombus with 4 right angles is the answer bec a rhombus has 4 congruent sides 7 with the 4 right angles it must be a square.
♪Chibiterasu
  • ♪Chibiterasu
This is a poorly designed question omg
anonymous
  • anonymous
yes, the answer is C as i have stated and explained. let me know if you have any other questions. :)
mathstudent55
  • mathstudent55
D is a rhombus and not necessarily a square.
♪Chibiterasu
  • ♪Chibiterasu
OH it says four rights angles, not sides im blind
mathstudent55
  • mathstudent55
Answer is C.
anonymous
  • anonymous
thanks
anonymous
  • anonymous
bye
mathstudent55
  • mathstudent55
A rhombus with at least 1 right angle is a square.

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