Ri6sseeskmarahharry Ri6sseeskmarahharry

19-09-2016
Mathematics

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In triangle ABC, angle A= 38 degrees 40', a=16, b=20, and angle B is an obtuse angle. What is the measure of angle C to the nearest ten minutes?

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Chittah003 Chittah003

21-09-2016

25.60 because A^2 +B^=C^2 which is 16^2+20^2=C^2

A. 16^2= 256 B. 20^2=400

you add 256+400=656

then you square root 656 which give is 25.60

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