Question

three angles of a quadrilateral are 60° , 90° and 60° the fourth angle is ___​

Answer 1

Answer:

maybe the fourth angle is 150 degrees

Answer 2

Answer:

the fourth angle is 150 degree

let fourth angle be x

ATQ

60+90+60+x=360 ( sum of all angle of quadrilateral is 360)

210+x=360

x=360-210=150