Math 100

MWF 9

Spring 2001

Dr. Wilson

Homework for 3/16

Prove that a quadrilateral is a rhombus if and only if all of the diagonals bisect all of the angles.

1. Given:

To Prove:

ABCD is a rhombus

/DAC = /BAC

/ABD = /CBD

/BCA = /DCA

/CDB= /ADB

2. Given

/DAC = /BAC

/ABD = /CBD

/BCA = /DCA

/CDB= /ADB

To prove

ABCD is a rhombus