anybody, please help me I don't understand this at all how do we find hypotenuse adjacent and the opposite side with only one angle the angle I have is 20 degrees but I don't know anything I don't understand it

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

Select the number of ways in which a line and a circle can intersect

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2