To be considered similar, two polygons must have angles that are equal

What is the approximate circumference of the circle shown below?

Two positive integers are 3 units apart on a number line. their product is 108. which equation can be used to solve for m, the greater integer? m(m – 3) = 108 m(m + 3) = 108 (m + 3)(m – 3) = 108 (m – 12)(m – 9) = 108

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7