Thursday

November 20, 2014

November 20, 2014

Posted by **rocio** on Wednesday, March 23, 2011 at 8:46pm.

- geometry -
**Reiny**, Wednesday, March 23, 2011 at 10:43pmI don't understand

abcd = 28

I will assume that 28 and 45 are two of the sides and 53 is the diagonal.

If it it a rectangle,

28^2 + 45^2 = 53^2

2809 = 2809 , true, so yes it is a rectangle

**Answer this Question**

**Related Questions**

geometry theorems - I have six questions which will be on a test two weeks from ...

geometry - Given: QRST is a parallelogram. Prove: QRST is a square. Complete ...

Geometry - Given: ABCD is a parallelogram; <1 is congruent to <2 To Prove...

maths-parallelogram - there is a man who decided to make a garden either in ...

geometry - Verify that parallelogram ABCD with vertices A(–5, –1), B(–9, 6), C(–...

geometry - 7. Verify that parallelogram ABCD with vertices A(–5, –1), B(–9, 6), ...

geometry - In parallelogram ABCD, BC = 8, DC = 12, and measure of angle D is 50 ...

Geometry - I really need some help please!!!!! Am I on the right tract? Given: ...

Geometry - Can some one please check these for me.Thanks Angle DEF is similar to...

maths --plse help me.. - ABCD ia a parallelogram whose diagonals intersecting at...