Q21Multiple choice
Length of tape required to cover the edges of a semicircular disc of radius 10 cm is
- (a)62.8 cm
- (b)51.4 cm
- (c)31.4 cm
- (d)15.7 cm
Show answer
(b) 51.4 cm
Length of tape required to cover the edges of a semicircular disc of radius 10 cm is
(b) 51.4 cm