Solve this question.
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Answer:
Step-by-step explanation:
From the given figure we conclude that
∠A+∠D=180
o
[since consecutive angle are supplementary]
2
∠A
+
2
∠D
=90
o
Again from the ΔADM
2
∠A
+
2
∠D
+∠M=180
o
⇒90
o
+∠M=180
o
[since
2
∠A
+
2
∠D
=90
o
]
⇒∠M=90
o
Hence∠AMD=90
o
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