Question

The 4 angle of a quadrilateral are in arithmetic sequence. The smallest angle is 30find the largest angle

Answer 1

Answer:

150

Step-by-step explanation:

30+30+x+30+2x+30+3x=360

120+6x=360

6x=360-120

6x=240

x=40

largest angle 30+3x

so 30+3×40=150