Respond to this Question
Similar Questions

Geometry
Given quadrilateral ABCD,ABllDC, diagonal AC. we can prove that angle 1= angle 2, but cannot prove angle 3=angle4 Why is this. What must be true about the sides of the Quadrilateral in order to prove that angle 3 is congruent to
asked by DANIELLE on February 26, 2007 
math
In a quadrilateral ABCD, the diagonal AC bisects angle BAD and AB = BC = CD. Prove that the other diagonal, BD, bisects angle ADC.
asked by mathsen on August 7, 2010 
MATH
ABCD is a quadrilateral in which AB parallel DC and AD=BC.prove that (1)angle A + angle C=180 degree= angle + angle D (2)AC=BD
asked by MAJUMDER on May 1, 2012 
math
ABCD is a quadrilateral in which AB parallel DC and AD=BC.prove that (1)angle A + angle C =180 degree = angle B + angle D (2)AC=BD
asked by majumder on April 22, 2012 
Maths
X and Y are points on the sides BC and AC of a triangle ABC respectively such that angle AXC = angle BYC and BX = XY. Prove that AX bisects the angle BAC. I believe the first step is to prove ABXY is a cyclic quadrilateral.
asked by Bobby on July 20, 2008 
Maths
ABCD is a cyclic quadrilateral.If AB=CD,prove that angle b=angle c
asked by Sudip on September 15, 2014 
math
in a Quadrilateral ABCD, AB=AD and CB=CD. Prove that (1) AC bisects angle BAD (2) AC is perpendicular bisector of BD
asked by rohit on December 25, 2015 
mathematics
ABCD is a parallelogram.the bisectors of the angle and C meet the diagonal BD in P and Q respectively. Prove that triangleAPQ ~=triangleCOD.
asked by taskeen on December 9, 2014 
Geometry
Given: angle BAC is congruent to angle ACD, segment BD bisects segment AC, and segment AC bisects angle BCD. Prove: quadrilateral ABCD is a rhombus.
asked by Victoria on December 2, 2012 
Math: Geometry
I am having trouble with a problem from my online math class. I tried using the basic angle properties of circles, but didn't get anywhere: Let ABCD be a cyclic quadrilateral. Let P be the intersection of AD and BC, and let Q be
asked by I see you have graph paper. You must be plotting something. on January 18, 2016