Pentagon A'B'C'D' E' is the image of pentagon ABCDE under a dilation with a scale factor of 1/2 What is the length of segment C’D’ ?

Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?