Question

please help i need this answered as soon as possible!!! -Use ΔDEF, shown below, to answer the question that follows:

Answer 1

X= 139

Explanation:

the square on the E means its a right side so that would be 90 degrees. All triangles add up to 180. F would be 41 degrees. that mean X is 139 i think.

Answer 2

36.083

Explanation:

SOHCAHTOA

Cosine is adjacent over hypotenuse, so the

cos(49) = the adjacent side (x) || over the hypotenuse (55)

cos(49) = x/55

55cos(49) = x

x = 36.083