Respuesta :

SDCInfinity

Answer:

x = 42

Step-by-step explanation:

The square at ∠C means it is a right angle (90°). The sum of the angles of a triangle is 180°. Use the information to solve for ∠B.

[tex]x+48+90=180\\x+138=180\\x=42[/tex]

Answer:

B = 41 degreed

Step-by-step explanation:

Square of C = 90degrees

A = 49degrees

90 + 49 = 139degrees

180degrees - 139degrees = 41 degrees