The hexagon GIKMPR and ΔFJN are regular. The dashed line segments form 30° angles. Find the angle of rotation about O that maps RF and IJ.

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

How can you find the magnitude of a vector, v = < x,y > , where the horizontal change is x and the vertical change is y?