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Find a ! please :))))
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Find a ! please :))))

Find a ! please :))))-example-1
User DShringi
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4.9k points

1 Answer

9 votes

Answer:

21.8 cm

Explanation:


\\ 180 - 75 - 31.8 = 37.2 \\ ( \sin(75) )/(22) = ( \sin(31.8) )/(12) = ( \sin(73.2) )/(a) \\ a = (22 * \sin(73.2) )/( \sin(75) ) = \\ a = (21.06)/(0.9659) = 21.8

User Mariuss
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