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vikas

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· 1 Months ago

40 degree

Question:

In triangle DEF shown in given fig, points A, B and C are taken on DE, DF and EF respectively.  Such that EC = AC and CF = BC. If angle D = 400, then what is angle ACB in degress?

  

Options:
A)

140

B)

70

C)

100

D)

none of these

Solution:

Ans: (c)


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