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Solution 4.2:2e

From Förberedande kurs i matematik 1

Revision as of 11:35, 28 September 2008 by Ian (Talk | contribs)
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This exercise is somewhat of a trick question, because we don't need any trigonometry to solve it.

Two angles are given in the triangle (the 60 angle and the right-angle) and thus we can use the fact that the sum of all the angles in a triangle is 180,


v+60+90=180


which gives


v=1806090=30