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 47°:



The flowchart with missing statements and reasons proves that the measure of angle ECB is 43°:



Which statement and reason can be used to fill in the numbered blank spaces?
1.Corresponding angles are congruent
2.Triangle Sum Theorem
3.Measure of angle AED is 43°.
1.Alternate interior angles are congruent
2.Base angle theorem
3.Measure of angle AED is 47°
1.Base angle theorem
2.Corresponding angle are congruent
3.Measure of angl

Answer 1

Can someone please help me