Respuesta :

Okay, this is a written proof so what you have to do is list the steps. I am going to try my best to solve this problem...

olemakpadu
For question 10:

The two triangles are congruent.

This is because the two given sides are equal and the included angle between the two sides are equal = 90 degrees.

The condition for congruence is   SAS   ( Side   Angle    Side)


11)

If D is the midpoint, then DE = DC 

Already stated that AE = BC

Angle E = Angle C

So these two triangles are also congruent.

This is because the two given sides are equal and the included angle between the two sides are also equal.

The condition for congruence is   SAS   ( Side   Angle    Side)

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