This is a homework question. jajaj que te lo crees tu
"abcd is not a parallelogram or it does not have any right angles." ~(P and Q) = ~P or ~Q
a paralleogram has four sides
its a paralleogram, who doesnt know that like seriously?
9 degrees
A right angle only has one angle.
2 are.
None.
A right angle ( _| ) is 90o
i think it has 1 right angle
A right angle is 90 degrees (90o).90
4 angles and 4 sides .................. side 1......................... ............ ____________................. ............/..................... /................. side 3./....................../..side 2....... ........./ ...................../.................... ......../___________/..................... ..................................................... .................side 4........................... ..................................................... ..................................................... ....angle 1 ____________angle 2 .............. /....................../............. ............../....................../ ............. ............./....................../............... angle 3/___________/angle 4..... ..................................................... .....................................................
A right angle has 90 degrees.