The length of the arc which subtends an angle 60° at the centre of a circle of radius 3 cm is approximately​

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

If rt is greater than ba, which statement must be true ?