Respuesta :

Answer:

48 degrees

Step-by-step explanation:

we know that the sum of all angles in a triangle is 180 degrees. so the equation would be 90+(10x-8)+(4x+28)=180 degrees. Simplify, and you should get x=5. so m∠C=48 degrees bc 4*5=20; 20+28=48 degrees.