Question

help please !!! metal and fan will be rewarded !!

Question 1 (Multiple Choice Worth 4 points)

(08.01 LC)

Find the circumference and area of a circle with a diameter of 10 inches. Leave your answers in terms of pi.

C = 5π; A = 20π
C = 10π; A = 20π
C = 10π; A = 25π
C = 5π; A = 25π

Question 2 (Fill-In-The-Blank Worth 4 points)

(08.01 MC)

Find the volume of a cylinder with a diameter of 6 inches and a height that is three times the radius. Use 3.14 for pi and round your answer to the nearest hundredth. (Hint: You may only enter numerals, decimal points, and negative signs in the answer blank)

Answer for Blank 1:

Question 1 (Multiple Choice Worth 4 points)

(08.01 LC)

Find the circumference and area of a circle with a diameter of 10 inches. Leave your answers in terms of pi.

C = 5π; A = 20π
C = 10π; A = 20π
C = 10π; A = 25π
C = 5π; A = 25π

Question 2 (Fill-In-The-Blank Worth 4 points)

(08.01 MC)

Find the volume of a cylinder with a diameter of 6 inches and a height that is three times the radius. Use 3.14 for pi and round your answer to the nearest hundredth. (Hint: You may only enter numerals, decimal points, and negative signs in the answer blank)

Answer for Blank 1:



Question 3 (Fill-In-The-Blank Worth 4 points)

(08.01 MC)

Given a soda can with a volume of 36 and a diameter of 4, what is the volume of a cone that fits perfectly inside the soda can? (Hint: only enter numerals in the answer blank).

Numerical Answers Expected!

Answer for Blank 1:



Question 4 (Fill-In-The-Blank Worth 4 points)

(08.01 MC)

The stack on the left is made up of 15 pennies, and the stack on the right is also made up of 15 pennies. If the volume of the stack of pennies on the left is 390 mm3, what is the volume of the stack of pennies on the right in cubic millimeters? (Hint: only enter numerals in the answer blank)

Two stacks of pennies are shown. The stack of pennies on the left form a right cylinder while the stack of pennies on the right form a free form cylinder like shape.

Numerical Answers Expected!

Answer for Blank 1:



Question 5 (Multiple Choice Worth 4 points)

(08.01 MC)

Given a cube with a volume of 36 cm3, what is the volume of a square pyramid that can fit perfectly inside the cube?

3cm3
6cm3
9cm3
12cm3

Answer 1

C=10pi, A=25pi
V=3.14x3x3x9

Answer 2

Q1: Circumference is the diameter(2r) multiplied by pi, or 2(r)pi .
Area is the (r)^2 pi .
Thus making the answer option 3. C= 10pi and A=25pi .
Q2: To do this question you need to know the volume formula for a cylinder. V=πr^2h
Now all you are doing is plugging things in. The diameter is 6 inches and you know that 2r is equal to the diameter thus r is 3. Now square r . Which gives you 9 and multiply it to h . H = three times the radius, and the radius is 3. Therefore 3(3). now that is V=π(9)(9)
V=81π. Now multiply by 3.14 and round. 254.34.
Q3: Again you need to know the volume formula of a soda can(cylinder) and for a cone. V=πr^2h/
3
Q4: the answer is 390 mm3, volume : the amount of space a certain thing takes up, no matter the way the stack is stacked it still takes up the same amount of space .
Q5: