If a semicircle is rolled along its diameter, then the figure formed is$?$

Draw the plan for the information given below :

(Scale $20 m=1 cm$)

Name the solid shape having $8$ edges, $5$ vertices, and $5$ faces. (cuboid/square pyramid/triangular pyramid)

Match the following objects with their corresponding solid shapes.

(a)		(i)
(b)		(ii)
(c)		(iii)
(d)		(iv)
(e)		(v)

Match the following

a) Cube	i)
b) Rectangular Pyramid	ii)
c) Cylinder	iii)
d) Cone	iv)
e) Tetrahedron	v)
f) Sphere	vi)
g) Triangular Prism	vii)

What is the shape of wheels of a road roller?