Question

The angles of quadrilateral are 105°, 76°, 56° and x. Find the value of x.​

Answer 1

Answer:

x + 105 + 76 + 56 = 360(because sum of all angles is 360 degree)

x + 237 = 360

x = 360 - 237

x = 123 degrees. ANSWER

Answer 2

Answer:

x = 123°

Step-by-step explanation:

105 + 76 + 56 + x = 360

237 + x = 360

x = 360 - 237

x = 123

so the answer is 123°