julianamourad julianamourad

09-04-2019
Mathematics

contestada

In triangle ABC, a=3, c=19

Respuesta :

reneeh8932 reneeh8932

09-04-2019

a^2 + b^2 = c^2

9 + b^2 = 361
B^2 = 352
B = 18.76

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