Question

From a solid cylinder whose height is 15 cm and diameter is 16 cm and conical cavity of the same height and same diameter is hollowed out find the total surface area of the remaining solid

Answer 1

yeah here is ur answer

Answer 2

The total surface are is 1381.6 cm²

Step-by-step explanation:

Consider the provided information.

The height of cylinder is 15 cm and diameter is 16 cm.

Thus, Radius = $\frac{16}{2}=8cm$

The Slant height of cone, $l=\sqrt{h^2 + r^2}$

$l=\sqrt{15^2 + 8^2}$

 $l=\sqrt{225 +64}$

 $l=\sqrt{289}$

 $l=17$

The slant height of the conical cavity is 17 cm.

Total surface area of solid= Curved surface area of cone

+ Curved Surface area of cylinder + Area of bottom part .

Total surface area = πrl + 2πrh + πr²

Total surface area  = 3.14 [8 × 17 + 2 × 8 × 15 + 8 × 8]

Total surface area = 3.14 [440] = 1381.6 cm²

Hence, the total surface are is 1381.6 cm²

#Learn more

A solid is in the shape of a cone surmounted on a hemisphere, the radius of each of them is being 3.5cm and the total height of the solid is 9.5cm. find the volume of the solid.

https://brainly.in/question/9239184