A solid iron rod has a cylindrical shape. Its height is 10 cm and base

1.	A solid iron rod has a cylindrical shape. Its height is 10 cm and base radius is 7 cm. Then volume of the rod isA) 1640 cm3B) 1740 cm3C) 1440 cm3D) 1540 cm3
Answer» Correct option is: D) 1540 cm³ Given that height of the cylinder is h = 10 cm and the base radius is r = 7 cm. \(\therefore\) Volume of cylindrical rod = \(\pi r^2h\) = \(\frac {22}7\) \(\times\)7 \(\times\) 7 \(\times\) 10 = 1540 \(cm^3\) Correct option is: D) 1540 cm³

A solid iron rod has a cylindrical shape. Its height is 10 cm and base radius is 7 cm. Then volume of the rod isA) 1640 cm3B) 1740 cm3C) 1440 cm3D) 1540 cm3

Answer»

Correct option is: D) 1540 cm³

Given that height of the cylinder is h = 10 cm

and the base radius is r = 7 cm.

\(\therefore\) Volume of cylindrical rod = \(\pi r^2h\)

= \(\frac {22}7\) \(\times\)7 \(\times\) 7 \(\times\) 10

= 1540 \(cm^3\)

Correct option is: D) 1540 cm³