e
Activity - 3
Let's verify experimentally that the angle formed by a revolving line in a complete
rotation at a point is 360°.
Verification
(i) Let's draw three different sets of angles ZAOB, ZBOC and ZCOA formed by a
revolving line OA in a complete rotation at O.
C
0
fig (i)
B
A
A
B
fig (ii)
C
A
C
-B



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