# geometry

posted by .

ABCD is a quadrilateral with center O. AO=8, BO=11, CO=8, and DO=11. Is ABCD a parallelogram? Explain you reasoning.

• geometry -

give the domain and the range of the function whit equation f(*)2e4*

## Similar Questions

1. ### Geometry

Given: ABCD is a parallelogram; <1 is congruent to <2 To Prove: ABCD is a Rhombus Plan: Show <2 is congruent to < CAB. hence CB is congruent to AB, making ABCD a parallelogram with consecutive sides congruent PROOF Statements …
2. ### geometry

Given quadrilateral ABCD, with A = 4x - 57 and C = x + 3, what value of x ensures that ABCD is a parallelogram?
3. ### algbra

a parallelogram is a quadrilateral whose opposite sides are parallel. The vertices of the quadrilateral ABCD are A(2,0), B(-2,2),C(2,8), D(6,6). Determine whether or not ABCD is a Parallel.
4. ### geometry

quadrilateral ABCD has right angles at B and D. If ABCD is kite-shaped with AB=AD=20 and BC=CD=15, find the radius of the circle inscribed in ABCD.
5. ### geometry

The verticals of quadrilateral ABCD are given. Draw ABCD i'n a coordinate plane and show that it is a parallelogram
6. ### Geometry

The coordinates of the vertices of quadrilateral ABCD are A (-8, 8), B (-4, 8), C (-4, 4), D (-8, 4). The coordinates of the vertices of quadrilateral PQRS are P (-10, 10), Q (-2, 10), R (-2, 2), S (-10, 2). Which statement is correct?
7. ### geometry

What is the most precise name for quadrilateral ABCD with vertices A(–3, 2), B(–1, 4), C(4, 4), and D(2, 2)?
8. ### geometry honors

Can you prove ABCD is a parallelogram based on the given information?
9. ### geometry

A quadrilateral has vertices A(3, 5), B(2, 0), C(7, 0), and D(8, 5). Which statement about the quadrilateral is true?
10. ### Geometry

Quadrilateral ABCD is a parallelogram. If adjacent angles are congruent, which statement must be true?

More Similar Questions