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Given is a quadrilateral ABCD,diagonals

Quadrilateral ABCD is a parallelogram. If adjacent angles are congruent, which statement must be true?A. Quadrilateral ABCD is a
1. 3 answers
2. asked by Lauren
3. 7,280 views
Given is a quadrilateral ABCD,diagonals AC and BDare such that AO=BO=CO=DO=3cm,where Ois point of intersection of AC and BD then
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2. asked by faizel
3. 1,748 views
the diagonals of quadrilateral ABCD are 3i+3j+10k and -I + 9j-6k. show that quadrilateral ABCD is a rectangle.
1. 1 answer
2. asked by Anonymous
3. 313 views
Which statement represents the similarity between the two figures?( point) • quadrilateral ABCD ~ quadrilateral HG FE •
1. 1 answer
2. 239 views
For what value of x must ABCD be a parallelogram?Quadrilateral ABCD has diagonals AC and BD intersecting, with the two segments
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2. asked by kino
3. 55 views
In a quadrilateral ABCD, AB || DC and AD||BC. Find the perimeter of ΔCOD if the diagonals of the quadrilateral intersect each
1. 0 answers
2. asked by Anonymous
3. 673 views
if the diagonals of quadrilateral ABCD intersect at their midpoints, then the quadrilateral is a parallelogram.Prove that AM MC
1. 2 answers
2. asked by dave
3. 654 views
Heather is given the coordinates of the vertices of quadrilateralABCD. ABCD. She is asked to prove whether the quadrilateral is
1. 1 answer
2. asked by dee
3. 1,348 views
In a quadrilateral ABCD,AB is parallel to DC and AD is parallel to BC. Find the perimeter of ΔCOD if the diagonals of the
1. 1 answer
2. asked by Gracie
3. 3,705 views
The sides of convex quadrilateral ABCD are AB = 8, BC = 5, $CD = 5,$ and $DA = 8.$ Diagonals $\overline{AC}$ and $\overline{BD}$
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2. asked by Fiona
3. 57 views