An irregular parallelogram rotates 360 degrees about the midpoint of its diagonal. how many times does the image of the parallelogram coincide with its preimage during the rotation?

Answer with explanation:

The number of times an object appears same in a 360 degree rotation is called order of rotational symmetry.

An Irregular parallelogram has adjacent sides and adjacent angles not equal.

When an Irregular parallelogram is rotated by an angle of 360 degree, only 2, times the starting Parallelogram appears Congruent to its Preimage during the rotation.

Option A: 2

the answer is 31.27mph

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies