Question

the radii of the two circular ends of the bucket are 13 cm and 8cm the vertical height of the bucket is 12cm. slant height of the bucket is

Answer 1

slant height=root of (h^2+(r1-r2)^2)
=root of (12×12+(13-8)^2)
=root of (144+5×5)
=root of (144+25)
=root of 169=13cm