30 PIONTS FOR A NEATLY AND CORRECTLY ANSWERED QUESTION + EXTRA IF I GET IT FAST + EXTRA IF IT IS EXPERT VERIFIED + EXTRA IF I GET FULL MARKS

PART 1 PLEASE LOOK FOR PART TWO


Part A

Which angles of the triangles measure 90°?


Part B

To show that the other two angle measurements in each triangle are equal, you can use parallel lines cut by a transversal. Which two pairs of line segments formed by triangle sides are parallel, and what is the transversal for each pair?


Part C

Which angle has the same measurement as angle DEA, and how do you know that the measurement is the same?


Part D

Which angle has the same measurement as angle DAE and why (vertical, corresponding, alternate interior, or alternate exterior angles)?