Question

Three angles of a quadrilateral are 75°, 68° and 82°. Find
the fourth angle​

Answer 1

Answer:

135°

Step-by-step explanation:

sum of all angles is 360° ....

360-75-68-82= 135°

Answer 2

Answer:

answer is 135 degree  

Step-by-step explanation:

Let the forth angle be x

75+68+82+x = 360  (sum of all interior angle of a quadrilateral is 360 )

225 + x = 360

x = 360 - 225

x = 135