Polygon ABCDE rotates 52° about the origin to create polygon A'B'C'D'E' If m BCD= 31°, what is m B’C’ D’?

31°. In this case, this is a rigind rotation or transformation wich means that  it preserves angle and lenght measurements. So the answer is 31°.

;)

2.83941151 would be the answer you're looking for! : )

∠lno ≅ ∠lnm

∠oln ≅ ∠mln

step-by-step explanation:

given   that triangle lno is congruent to triangle lnm.

we have to fill up the blanks in the given question.

according to above order of congruency   kept in mind we can say that

∠lno ≅ ∠lnm

∠oln ≅ ∠mln

ln ≅ ln due to common in both.

hence, by sas congruency,

the side angle side rule   states that if two sides and the included angle of one triangle are congruent to another triangle, then these two triangles are congruent.