What is the formula for the pythagorean theorem, and who found it? what century did he live in?

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv