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- gmatwork
- Course Students
**Posts:**186**Joined:**Wed Dec 31, 1969 8:00 pm

Which quadrilaterals have opposite angles equal and for which quadrilaterals do diagonals bisect the vertex angles?

- tim
- ManhattanGMAT Staff
**Posts:**5532**Joined:**Tue Sep 11, 2007 9:08 am**Location:**Southwest Airlines, seat 21C

if both pairs of opposite angles are congruent, it is a parallelogram; if only one pair is congruent, there is no specific name for such a quadrilateral..

if both diagonals bisect their respective vertex angles, you have a rhombus. if only one diagonal does this, it is called a kite..

if both diagonals bisect their respective vertex angles, you have a rhombus. if only one diagonal does this, it is called a kite..

Tim Sanders

Manhattan GMAT Instructor

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- gmatwork
- Course Students
**Posts:**186**Joined:**Wed Dec 31, 1969 8:00 pm

do diagonals of a parallelogram bisect their respective vertex angles?

- tim
- ManhattanGMAT Staff
**Posts:**5532**Joined:**Tue Sep 11, 2007 9:08 am**Location:**Southwest Airlines, seat 21C

only if that parallelogram is also a rhombus..

Tim Sanders

Manhattan GMAT Instructor

Follow this link for some important tips to get the most out of your forum experience:

https://www.manhattanprep.com/gmat/forums/a-few-tips-t31405.html

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4 posts Page **1** of **1**