Is the quality a design has if it maintains all characteristics when it is rotated about a point lyingvin its plane?

What is 334 as a decimal? How many square inches in NBA court? What is the scientific notation of 0.0000000157? How do you find the answer to 12 divided by two-thirds? What is the fraction for 1.54? What does conundrums mean? What is the average rate of change between x 4 and x8? At a game of billiards A can give B 15 points in 60 and A can give C 20 in 60. How many can B give C in a game of 90? When the big hand is on 10 and the small hand is on 3 what is the time on 24 hour o' clock? What is the equation 3x 125-21? How many 5's can go into 135? Why is there a large jump between 10 and 11 ionization ehergies of magnisium? What is 1779000000? What is 1.44 repeating as a percent? Is an elevator a good example of an inclined plane? What is an example of how mathematics may be used in the collection or evaluation of data? What is the simplified fraction 933 over 1000? What is the probability of a a six-sided die landing on a 6? How many is 98.00 minus 40 percent? How do you find the probability of 3 or more events?