Subject :IMO Class : Class 4
Ans 2:
Class : Class 5
Perimeter is the length of the boundary. The number of lines that are in outer part of the figure are 14. So, 216/14=9. So, ans is B
Ans 4:
Class : Class 6
This is simple Math so,first count the boundry and I got 14now we divide: 126/14 = 9cmAnswer is = B nothing but 9cm