Ri6sseeskmarahharry
Ri6sseeskmarahharry Ri6sseeskmarahharry
  • 19-09-2016
  • Mathematics
contestada

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?

Respuesta :

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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