(1) Calculate the length of AM
(2) Calculate the length of AB
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Answer:
AM=9 cm
AB=29×square-root of 2
Step-by-step explanation:
in triangle AMC ,AC is hypotenuse
ang c = 30
AM=1/2×hypotenuse
AM=1/2×18
AM=9
in triangle BMD ,BD is hypo.
ang.D=45
BM=1/root 2×hypo.
BM=1/root 2×20
BM=20× square-root 2
AB=AM+BM
9+20×square root of 2
=29×square root of 2
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