Question

Triangle ABC is a right triangle. Point D is the midpoint of side AB and point E is the midpoint of side AC. The measure of angle ADE is 36°.

Answer 1

The flow chart with missing statements and reasons proves that the measure of angle ECB is 54°.

Answer 2

Which statement and reason can be used to fill in the numbered blank spaces? (1 point)
Select one:
a.
Measure of angle AED is 36°
Base angle theorem
Corresponding angles are congruent
b.
Measure of angle AED is 54°
Base angle theorem
Alternate interior angles are congruent
c.
Measure of angle AED is 54°
Triangle Sum Theorem
Alternate interior angles are congruent
d.
Measure of angle AED is 54
Triangle Sum Theorem
Corresponding angle are congruent