-GEOMERY QUESTION-*WILL AWARD BRAINLIEST FOR A CORRECT ANSWER*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 following 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? a. Corresponding angles are congruentTriangle Sum TheoremMeasure of angle AED is 43°.b. Alternate interior angles are congruentBase angle theoremMeasure of angle AED is 47°.c. Base angle theoremCorresponding angle are congruentMeasure of angle AED is 43° .d. Alternate interior angles are congruentTriangle Sum TheoremMeasure of angle AED is 47°.