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. Measure of angle AED is 36°
2. Base angle theorem
3. Corresponding angles are congruent



1. Measure of angle AED is 54°
2. Triangle Sum Theorem
3. Corresponding angle are congruent



1. Measure of angle AED is 54°
2. Base angle theorem
3. Alternate interior angles are congruent



1. Measure of angle AED is 54°
2. Triangle Sum Theorem
3. Alternate interior angles are congruent

Answer 3

I think its D

Answer 4

@shifuyanli @undeadknight26 @paki

Answer 5

@Michele_Laino

Answer 6

If the answer is D., that means for reason 3. you are using "Alternate interior angles are congruent" Which angles in the figure are alternate interior angles?

Answer 7

@mathstudent55 woops I meant C

Answer 8

they're corresponding right?

Answer 9

and congruent

Answer 10

es. Since the segments are parallel, the angles are corresponding. That's why they are congruent. Answer is not D or C.

Answer 11

B?