In the diagram below of triangle CDE, F is the midpoint of CE and G is the midpoint of DE. If m ECD = 51 – 7x, and m
ZEFG = -8x +53, what is the measure of ZECD?

This activity will you meet these educational goals: mathematical practices-you will make sense of problems and solve them, reason abstractly and quantitatively, and usemathematics to model real-world situations.directionsread the instructions for this self-checked activity type in your response to each question, and check your answers. at theend of the activity, write a brief evaluation of your work.