Question

Q-1) It the angles quadrilateral are the
ratio 2:4 5:7, then the smallest angle
in radius is......... ​

Answer 1

Answer:

ans is 9 smallest angle

Answer 2

Answer:

2:4:5:7

smallest angle = 2*180/18 = 20°

now,

180° ======= π radian

1° ========= (π/180) radian

20° ======= 20π/180 = (π/9) (Ans)

(Mark as brainlist)