Question

8. From a solid cylinder whose height is 2.4 cm and diameter 1.4 cm, a conical cavity of the
same height and same diameter is hollowed out. Find the total surface area of the
remaining solid to the nearest cm? ​

Answer 1

Step-by-step explanation:

$\pi \times r\: (l + r) \\ 22 \times 0.7 \div 7(2.4 + 0.7) \\ 5.98cm \:$