Questions on Geometry: Bodies in space, right solid, cylinder, sphere answered by real tutors!

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Question 956414: a basketball has a diameter of 18 inches. what is the volume of the basketball in cubic units? (assume that = 3.14 and round to the nearest tenth when necessarily
Click here to see answer by stanbon(75887)

Question 956370: A cylindrical tank 2.44m in diameter and 4.88m high is filled with oil. Another tank is to be built which will be sufficient to hold the oil in the first tank. How high must be the second tank if its diameter is twice that of the first?
Click here to see answer by ankor@dixie-net.com(22740)

Question 957368: The diameter of a lead ball is 2.1cm.The density of the lead used is 11.34g/cubic cm.What is the weight of the ball?
Click here to see answer by Alan3354(69443)

Question 957421: Find the approximate difference in volumes between two spheres. One has a radius of 6 cm, and the other has a radius of 12 cm. So i did all of my work but i don't know how to find the difference ( for the 6 cm i got 904.3( and for the 12 cm o got 7234.5)) so can you help me ?
Click here to see answer by macston(5194)

Question 957832: The inside Dimensions of a box are 2 by 3 by 4 ft. Find the dimensions of a packing box of the same shape which will hold 8 times as much.
Click here to see answer by Theo(13342)

Question 957805: An iron pipe 10 ft. long has an internal diameter of 1 ft. If the iron is 1/2 in. thick, find the volume of metal in the pipe.

Click here to see answer by jsmallt9(3758)

Question 959825:
1. What will be the surface area of a sphere whose diameter is 18 cm?

Click here to see answer by Alan3354(69443)

Question 961063: Can you please help me solve this problem?
the door in a room is 8ft tall. An architect's model of the same door in 2in. high. what is the radio of the height of the model to the real height?
Click here to see answer by Alan3354(69443)

Question 965026: I like to know how much is the volume V of a ball coating, I have r =100mm and h = 10mm Thank You
Click here to see answer by Alan3354(69443)

Question 965232: Please help me solve this question:A market woman sells oil in cylindrical tins 10cm deep and 6cm in diameter at #15.00 each.If she bought a full cylindrical jug 18cm deep and 10cm in diameter for #50.00.How much did she make by selling all the oil?
Click here to see answer by ankor@dixie-net.com(22740)

Question 965575: What is the volume of a cone with a radius of 4.7 units and a height of 9.2 units? Use 3.14 for pi and round to the nearest hundredth.
A. 850.85 cubic units
B. 638.14 cubic units
C. 425.42 cubic units
D. 212.71 cubic units
Click here to see answer by Alan3354(69443)

Question 965752: Please help me solve this question:A cone with the sector angle of 45 degree is cut out of a circle of radius rcm.Find the base radius of the cone.
Click here to see answer by Theo(13342)

Question 967464: Sphere A is similar to Sphere B. The Radius of sphere A is 3 inches, and the radius of a sphere B is 6 inches. How many times larger is the volume of Sphere B compared to Sphere A
Click here to see answer by Alan3354(69443)

Question 971756: In terms of pi, what is the volume of the composite figure if the height of the cylinder is 5.5 feet and the diameter of the cylinder is 10 feet?

Click here to see answer by Boreal(15235)

Question 972620: design a hemisphere of 60ft^3 of space. show your work.
Click here to see answer by Alan3354(69443)

Question 973043: What is the external circumference of a pipe whose internal radius is 5cm and the thickness of the metal is 6mm take pi to be 3.14cm
Click here to see answer by macston(5194)

Question 974405: The volumes of two spheres are in a ratio of 1:8. What is the ratio of their radii?
Click here to see answer by Boreal(15235)

Question 975480: One advantage of the prismoidal formula is that you can use it to
A. calculate precise volumes of all prismoids.
B. calculate both volume and surface area.
C. determine volumes of figures that are not prismoids.
D. estimate the volume of solids that are combinations of other solids.
The answer is not C.
Click here to see answer by solver91311(24713)

Question 976321: Consider a cone with a diameter of 12 and a height of 8. The volume of an inscribed sphere in the cone is _____________
Click here to see answer by anand429(138)

Question 978198: consider a hemispherical bowl of radius 9cmif it has coated by anti rust chemical on both sides,and thick 1 liter of this chemical coats 100 cm^2 area ,how much of the chemical coats is required?(assume that the thickness of the bowl is negligeble and pi =3.14)
Click here to see answer by Alan3354(69443)

Question 981042: A large diamond with a mass of 4289.6 grams was recently discovered in a mine. If the density of the diamond is 7.87 , what is the volume? Round your answer to the nearest hundredth.
Click here to see answer by josgarithmetic(39616)

Question 982416: The figure is exactly one-quarter full. If 7 liters of liquid are added , the vessel will be exactly three-fifths full. What is the total capacity of the vessel?
Click here to see answer by ankor@dixie-net.com(22740)

Question 983670: the surface area of the side of a right cylinder can be found by multiplying twice the number pie by the radius times the height. If a cylinder has radius rand height h, write an expression that represents the surface area of its side

Click here to see answer by solver91311(24713)

Question 983573: each of the bases of a right prism is a regular hexagon with one side which measures 6 cm. What is the volume of the prism if the bases are 15 cm apart?
Click here to see answer by solver91311(24713)

Question 983991: A hollow cylindrical object has an inner radius of 3cm and an outer radius of 4cm,and a height of 8 cm.It is made of a material whose density is 5gm/cm3. Write the mass of this object in kilograms.

Click here to see answer by Alan3354(69443)

Question 984617: A pipe has a cross-sectional area of 50 cm2. Water is flowing through the pipe at a
speed of 25 cm / sec. The pipe is used to fill up a cuboidal tank, whose inner
dimensions are 1m�0.8m�0.2m. How many minutes will it take for the tank to be
completely full
Click here to see answer by ikleyn(52776)

Question 984616: A hollow cylindrical object has an
inner radius of 3 cm and an outer
radius of 4 cm, and a height of 8 cm.
It is made of a material whose density
is 5 gm / cm3. Write the mass of this
object in kilograms. Take   3.14
Click here to see answer by josgarithmetic(39616)

Question 987268: Make a rough estimate of the volume a human body (in m3). Assume that the body is a cylinder about 170 cm tall and 12 cm in cross-sectional radius.

Click here to see answer by Cromlix(4381)

Question 989573: Can someone please tell me how I calculate the radius of a cylinder when only height is given?
Example: "In one design for a container shaped like a cylinder, the container will have a height of 12 inches. What will be the radius of the container, to the nearest tenth of an inch?"
Thanks.
Click here to see answer by stanbon(75887)

Question 1001900: Good day! Can you please help me solve this problem?
Find the length of a diagonal of a regular octahedron if its edges measure 5 cm.
Thank you very much!
Click here to see answer by ikleyn(52776)

Question 1005435: Good day! Can you help me with this problem?

Find the volume, lateral surface area, and total surface area of a rectangular pyramid whose length is 6 feet and its width is 4 feet.

Thank you!
Click here to see answer by rothauserc(4718)

Question 1005662: Good day! Can you help me with this problem?
Find the volume, lateral surface area, and total surface area of a rectangular pyramid whose height is 10 feet, its length is 6 feet and its width is 4 feet.
Thank you!
Click here to see answer by rothauserc(4718)

Question 1005913: Good day! Can you please help me solve this problem?

If the slant height of the cone is 16 inches and the total area is 120π in^2, find the length of the cone.
Thank you!
Click here to see answer by Alan3354(69443)

Question 1005910: Good day! Can you help me with this problem?
Find the volume of a cone formed from a sector with a diameter of 72 inches and a central angle of 7π/6.
Thank you!
Click here to see answer by Alan3354(69443)

Question 1005912: Good day! Can you please help me with this problem?

The lateral edge of a regular hexagonal pyramid is two times the length of the base edge. If the apothem of the base is 8 cm, find the altitude and volume of the cone inscribed in a pyramid.

Thank you!
Click here to see answer by ikleyn(52776)

Question 1005907: Good day, can you help me with this problem?

A flower vase, in the form of a hexagonal prism, is to be filled with 512 cubic inches of water. Find the height of the water if the wet portion of the flower vase and its volume are numerically equal.

Thank you!
Click here to see answer by KMST(5328)

Question 1005909: Good day, can you help me with this problem?

An inverted square pyramid has a height equal to 24 cm. It holds water to a depth of 18 cm above its apex. Find the volume of its content if the top face has an area of 100 cm^2.
Thank you!
Click here to see answer by KMST(5328)

Question 1003751: A cylinder has a radius of 6 cm and a height of 7cm. Sitting on top of it is a cone with a height of 8 cm. Find the exact surface area and volume of it.
Please include a clear explanation, thank you very much!
Click here to see answer by anand429(138)

Question 1009810: The radius of a sphere is 21 cm. Find the volume of a spherical wedge whose lune base angle is 90 degree.
Click here to see answer by ikleyn(52776)

Question 1011129: volume of sphere: 35 cubic cm, what is the radio?
Click here to see answer by MathLover1(20849)

Question 1012356: A pipe has a cross sectional area of 50cmsq. Water is flowing through the pipe at a speed of 25 cm/sec. The pipe is used to fill up a cuboidal tank whose inner dimensions are 1m* 0.8m*0.2m. How many minutes will it take for the tank to be completely full?
Click here to see answer by rothauserc(4718)

Question 1012971: What volume of wood is used in making an open wooden box that is 5dm long, 4dm wide and 3.5 dm high, external dimensions if the wood used is 2cm thick.
Click here to see answer by ikleyn(52776)

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