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 68°.

Triangle ABC with segment DE. Angle ADE measures 68 degrees.

The following flowchart with missing statements and reasons proves that the measure of angle ECB is 22°:

Statement, Measure of angle ADE is 68 degrees , Reason, Given, and Statement, Measure of angle DAE is 90 degrees, Reason, Defin

Which statement and reason can be used to fill in the numbered blank spaces?