In the figure below, which theorem or postulate can you use to prove triangle ADM is congruent to triangle ZMD?
(picture below)

Question

In the figure below, which theorem or postulate can you use to prove triangle ADM is congruent to triangle ZMD?
(picture below)

anonymous · Answer

Choices:

A. ASA
B. SSS
C. SAS
D. AAS

anonymous · Answer

What do you think is the answer?

anonymous · Answer

Do you know what ASA, SAS ... stand for?

anonymous · Answer

@Wimsicle

anonymous · Answer

Yes, Angle-Side-Angle, and Side-Angle-Side. I think it's D... but I'm unsure that's it. I can see the 90 degree angles made by "M" and "D", and the two outer sides are the same... Hmm..

sirm3d · Answer

hmm. the third parts that are identical are the parts common to the triangles. know that parts?

mayankdevnani · Answer

option c SAS

mayankdevnani · Answer

because  AM=ZD(GIVEN)
               angleM=angleD(GIVEN)
               MD=MD(COMMON)

mayankdevnani · Answer

ok      @Wimsicle

sirm3d · Answer

you're right @mayankdevnani

anonymous · Answer

Oh...  Thank you!

mayankdevnani · Answer

welcome