Questions: ABCD is a rectangle with some right triangles inside it. Redraw the triangles, so they are oriented the same way to make it easier. Don't use vertex B or C.
I. List at least two triangles that are similar to Triangle AED?
Transcript text: ABCD is a rectangle with some right triangles inside it. Redraw the triangles, so they are oriented the same way to make it easier. Don't use vertex B or C.
I. List at least two triangles that are similar to Triangle AED?
Solution
Solution Steps
Step 1: Identify similar triangles
We are looking for triangles similar to triangle AED. Similar triangles have corresponding angles that are congruent. Triangle AED has a right angle at F, and angle EAD is congruent to angle EDA.
Step 2: Triangle EFD
Triangle EFD is similar to AED. Both have a right angle, and they share angle EDA. Therefore, their third angles must also be congruent. Thus, triangle AED ~ triangle EFD.
Step 3: Triangle AFE
Triangle AFE is similar to AED. Both have a right angle. Angle EAF in triangle AFE is congruent to angle EDA in triangle AED. They are alternate interior angles since lines BC and AD are parallel, and AE is a transversal. Therefore, their third angles must also be congruent. Thus, triangle AED ~ triangle AFE.