What is the image of the point (-1,2) after a rotation of 270 degrees counterclockwise about the origin

Need on this geometry question. explain how you did it.

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition