SBAC #2 - 7th grade Geometry formulas

Question 1

How would the formula for Surface Area change if it was an OPEN cylinder?

Accepted Answer

SA = 2πrh + πr2

Question 2

Which expression can be used to find the surface area of the prism?

Accepted Answer

2(2*5) + 2(3*5) + 2(3*2)

Question 3

A cylinder is traced on graph paper. What is the radius of the cylinder?

Accepted Answer

3 cm

Question 4

The height of the cylinder is 8.5 cm. How many cm cubes will fit in one layer of the cylinder?

Accepted Answer

28.26 cubes

Question 5

The bottom layer holds 15 cubes. How many layers are there?

Accepted Answer

2

Question 6

Which part of the formula would allow you to find the surface area of the top and bottom ONLY?

Accepted Answer

2πr2

Question 7

Which expression would you use to determine how many cubes are on the bottom layer?

Accepted Answer

3 * 5

Question 8

If you filled this paper towel holder with cm cubes of Play Doh, how many would it hold?

Accepted Answer

V= 3.14(3)2(35)

Question 9

The height of the cylinder is 8.5 cm. How many cm cubes will it take to fill the cylinder?

Accepted Answer

240.21 cubes

Questions 9