Proving Triangles Congruent, Part 1

a. Use the Draw Ray tool to complete the triangle. b. Sketch the new triangle on the grid on your worksheet. c. Use one of the transformation tools to map the original onto the new triangle. d. Write a mapping rule and state, in words, which transformation(s) you used.

c. Which combination of triangle parts were we given? _____________________ d. Can we conclude that the triangles are congruent with those starting parts? Answer and explain.