ΔRST has vertices ​R(0​,0​), ​S(10​,5​), and ​T(5​,−5​). Δ​R'S'T' is the image of ΔRST after a dilation with center​ (0,0) and scale factor 4/5. What are the coordinates of point S​'?

What is the perimeter of square abcd? units units 28 units 37 units

Use the graph of the sine function y=2sinθ shown below

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