so, the figure here is a cylinder with a semi sphere on the top, we know the height of whole structure, and the radius of the semi sphere, which is the same as the radius of the cylinder (you can see it because the radius of the semisphere is constant, and you can thin on it as half a sphere over a cylinder).

First, the cylinder will be the structure without the semi sphere, so his height will be te total height minus the radius of the semi sphere, which is 0.9μm.

so now we know the height and the radius of the cylinder, the surface or the sides of it is 2*3.14*r*h = 2*3.14*0.9μm*0.1μm = 0.5662 $μm^{2}$ .

3 0

3 years ago

Katherine worked a total of 60 hours a week. She was paid $4.50 an hour. How much money did she make a week

Masja [62]

$260.00 money was made

3 0

3 years ago

A teacher surveyed her class to find out how many texts the students send in a week. She created this box plot to show the data.

Marta_Voda [28]

Answer: 130
Explanation:

7 0

3 years ago