Question: It is about trigonometry question. Question 7. In AABC, M and N are the mid-points of AB and AC respectively.AD = AC, A ZBAC =

It is about trigonometry question.

Question 7. In AABC, M and N are the mid-points of AB and AC respectively.AD = AC, A ZBAC = 70 and LNAD = 40. MND is a straight line. Find MD : BC. 70 40 M N D B C

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