‼️‼️‼️‼️HELP‼️‼️‼️‼️ can anyone plz help me i have to write the formula and everything down but i have no idea how to solve this and i need answers with the explanation plzzz

Step-by-step explanation:

Given

The attached figure

Required

Determine the area

To solve this, I will make use of the attached image

In the attachment, I divided the surface into two partitions

The area is then calculated using:

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere