Question

01. The slant height of the frustum of a cone is
12 cm and the perimeters of its plane ends
are 18 cm and 6 cm. Then the curved surface
of the frustum is
[]
1) 124 sq.cm
2) 144 sq.cm
3) 164 sq.cm
4) 184 sq.cm​

Answer 1

01. The slant height of the frustum of a cone is

12 cm and the perimeters of its plane ends

are 18 cm and 6 cm. Then the curved surface

of the frustum is

[]

1) 124 sq.cm

2) 144 sq.cm

3) 164 sq.cm

4) 184 sq.cm​