stephanielarosa1 stephanielarosa1

23-04-2017
Mathematics

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Sagittarius712 Sagittarius712

23-04-2017

The answer is B
Use sin rule to find the answer.
base of smaller triangle = 7 = base of larger triangle
So 7/sin45=x/sin90
(7/sin45) x sin90 = x
9.899...=x

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