160 degrees.
none of these are correct
280
A and B, B and C, C and D, D and A, are all supplementary pairs. The figure has no complementary pairs of angles.
B 110 degrees C 70 degrees D 110 degrees
This is the image
none of these answers are correct
never
none of these are correct
280
a and d
always
"abcd is not a parallelogram or it does not have any right angles." ~(P and Q) = ~P or ~Q
never
A = C = 180 - B = 80 So A + C = 160
In parallelogram ABCD, AC=BD. Is ABCD a rectangle?
If abcd is a parallelogram, then the lengths ab and ad are sufficient. The perimeter is 36 units.
x = 6.5y = 16.9