Respuesta :

Answer:

Answer A

Step-by-step explanation:

Angle A = 180 - 26 - 90 (90 right angle)

The cosine of an angle is equal to the ratio of the adjacent side to the hypotenuse.

cos ( A)= adj/hyp

Cos (26) = a / 13

a = 13* Cos (26)

a= 11.7

Find the last side of the triangle using the Pythagorean theorem.

[tex]b^{2}=c^{2} -a^{2}[/tex]