Questions on Geometry: Area and Surface Area answered by real tutors!

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Question 735230: Hi in algebra we are reviewing areas of parallelograms and triangles. I am stuck on a textbook question. I have to find the value of h for a parallelogram. I am confused on how to do it. Can you help me?

Click here to see answer by jim_thompson5910(35256)

Question 735310: Which circle has the least area ?
F. 16 mm diameter
G. 14 mm diameter
H. 9 mm radius
J. 6 mm diameter
Click here to see answer by solver91311(24713)

Question 735648: a rectangle with two semi circles on the ends has a perimeter of 1 mile what is the area of the whole thing???

Click here to see answer by Alan3354(69443)

Question 736042: what is 20 cm divided by 5
Click here to see answer by MathLover1(20849)

Question 736175: What are possible base and height for a parallelogram with an area of 45 ft squared if the base and height are a whole number
Click here to see answer by ohtheirony(35)

Question 736278: if the ratio of two round dinner plates is 2:5, what is the ratio of their areas?
i drew two circles, one larger than the second, and put the ratios down. but i don't know how to do ratios for circular figures.
Click here to see answer by Alan3354(69443)

Question 736461: How many tiles are needed to cover the floor of a room whose dimensions are 10 feet by 6 feet if the size of each tile is 6 inches by 6 inches?
please show the solution. thanks!
Click here to see answer by josmiceli(19441)

Question 736479: There boys weigh 55 kilos, 45 kilos, and 51 kilos, what must be the weight of the fourth boy if the average weight of the four is to be 52 kilos?
Solution PLs. thanks!
Click here to see answer by josmiceli(19441)

Question 736685: What is the surface are of a cone with diameter 28 cm and height 22 cm in terms of Pi?
Click here to see answer by ohtheirony(35)

Question 736762: A cube has a surface area of a 126 square feet. What is the area of one face?
Click here to see answer by ankor@dixie-net.com(22740)

Question 736841: Find the volume of a sphere 16ft in diameter. Use pi = 3.14, round your answer to the nearest tenth
Click here to see answer by fcabanski(1391)

Question 736840: Find the diameter of a sphere that has a surface area of 324pi in2
Click here to see answer by fcabanski(1391)

Question 737000: Please help me solve these two questions!!!
1. A rectangular room is 20 feet long and 10 feet wide. If you paint a red rectangle on the floor that is 9 feet long and 4 feet wide, what is the area of the floor in the room that will NOT be red?
2.A rectangular wall is 11.6 feet long and 8.2 feet high. If the door in the wall is 3 feet wide and 7 feet high, what is the area of the wall excluding the door?

Click here to see answer by rfer(16322)

Question 737188: Use the quadratic formula to solve
a) p^2+√(2p) = 4
b) 2√(5m^2)+3m-4√5=0
Can you please help me out? Thanks so much in advance:)
Click here to see answer by josgarithmetic(39617)

Question 737187: If the volume of the figure is 396 metres cubed. Find the surface area of the figure. The figure is a cone on top of a cylinder. The cone's height is 2x cm , the cylinder's height is 4x cm and the cylinder's diameter is 2x-7 cm. Find the surface area of the figure .
Can you please help me out? Thanks so much in advance:)
Click here to see answer by lynnlo(4176)

Question 737621: the surface area of a cylinder is 1000 pi square centimeters. the radius of the cylinder is four times the height. what is the height of the cylinder. only reply if u see this within 2 hours. its very time sensitive
Click here to see answer by ankor@dixie-net.com(22740)

Question 738531: How do you find the height of a trapezoid given 2 bases and one leg.
Base 1 is 10 and Base 2 is 6, the leg is 6. So how do i find the height. Thanks I need to know this for a quiz.
Click here to see answer by josgarithmetic(39617)

Question 738764: in a three dimensional space, two planes are parallel and a third plane intersects both of the parallel planes. The intersection of the planes is a?

answers
a. plane
b. point
c. pair of parallel lines
d. pair of intersecting lines
Click here to see answer by richwmiller(17219)

Question 737989: CAN THE VOLUME OF A RECTANGULAR PRISM INCREASE WITHOUT INCREASING THE SURFACE AREA?
Click here to see answer by richwmiller(17219)

Question 739070: What is the area of a regular pentagon with perimeter 10x and apothem 1/2y?
Click here to see answer by fcabanski(1391)

Question 739425: A soda can with a diameter of 8 cm has a height of 18 cm. Find B.
Click here to see answer by Alan3354(69443)

Question 740293: I tried what I though the teacher told me in school. I don't think I understood because I am lost! Sorry to have a difficult problem! Thank you for your time and energy explaining it to me.
Find shaded area, center O.
here is the picture of it! Thank you!
http://screencast.com/t/sZHHaVYVOp2
Click here to see answer by josgarithmetic(39617)

Question 740309: I did not understand my teacher's explanation in class. I would very much appreciate you assistance and I will take notes for the future. Thank you!
Find shaded area (the triangle is equilateral)
I will post a picture.
http://screencast.com/t/Fv2HJVOreHE
Thank You! Please help I need this for tomorrow I promise to write down everything you help me with. Thank you!
Click here to see answer by mananth(16946)

Question 740892: how much will it cost to carpet a rectangular room measuring 10m by 25m, if carpeting cost $24.65 per square meter?
Click here to see answer by lynnlo(4176)

Question 740892: how much will it cost to carpet a rectangular room measuring 10m by 25m, if carpeting cost $24.65 per square meter?
Click here to see answer by Alan3354(69443)

Question 741004: A family room is 24 feet5long and 18feet wide ,wshat is the area of the family room
Click here to see answer by Alan3354(69443)

Question 742125: The percentage change in the surface area of a cube when each side is tripled is
Click here to see answer by Alan3354(69443)

Question 742348: in the figure a and b are identical squares overlapping each other.the length of each side of the shaded region is half of the length oof square a.what is the area of the unshaded part
Click here to see answer by mananth(16946)

Question 742625: find the degree measure of a sector in a circle if the radius of the circle is 20 feet and the area of the sector is 40pi ft2.
Click here to see answer by mananth(16946)

Question 743497: Find the surface area of the sphere with the given dimension. Leave your answer in terms of pi.
1.
radius of 60 m (1 point)
3,600pi cm2
7,200pi cm2
14,400pi cm2
1,800pi cm2
Click here to see answer by Alan3354(69443)

Question 744265: Find the surface area of a sphere that has a volume of 288 pi ft cube. Give answer in terms of pi and as a decimal
Click here to see answer by sachi(548)

Question 744355: please help answer:)a reactangles area is three -fourths,if the width is one half,what is the length? i tried three-fourths divided by one half but i dont thing that is right
Click here to see answer by rothauserc(4718)

Question 744586: Please help! I am horrible with data tables.
Different masses M (in kilograms) are hung from a spring. The distances D (in centimeters) that the spring stretches are shown in the table. Test different models to see which type of model best fits the data. Write a model that best represents the data.
Values for M: 1, 2, 3, 4, 5, 6, 7
Values for D: 2.6, 5.2, 7.8, 10.4, 13, 15.6, 18.2

*These values were written in a table. Masses were on top row, distances were on bottom row.
Click here to see answer by lynnlo(4176)

Question 744579: find the surface area of a can of fruit juice whose diameter is 22 cm and whose height is 34 cm

Click here to see answer by lynnlo(4176)

Question 744618: the length and width of a rectangle are consecutive even integers. the area of the rectangle is 8 square units. what are the length and width of the rectangle?
Click here to see answer by Alan3354(69443)

Question 744796: Three sides of a trapezoid are each 8 cm long. How long is the 4th side when the area of the trapezoid has the greatest value?
here is the choices, 16 cm, 12 cm, 10 cm, 14 cm
Is the problem missing another given information? I try to solved it using two different formula in solving area of trapezoid but no good.

Click here to see answer by savvyhush23(50)

Question 744834: What is the area of a square of 8 m base?
Click here to see answer by Cromlix(4381)

Question 744848: If the diameter of the compact disc is 120 millimeters, what is the approximate area ignoring the center hole? (Use 3.14 for .)
Click here to see answer by Cromlix(4381)

Question 744557: surface area of a room (excluding floor) measurements are 9' 3" in length
5'6" in width and 8'0" height.
Click here to see answer by Cromlix(4381)

Question 745324: where's my asshole?
Click here to see answer by stanbon(75887)

Question 745709: fin d the diameter of a sphere with surface area 256 pie ft.^2

Click here to see answer by Alan3354(69443)

Question 746155: How do I solve for the area of this trapezoid? base1 is a and base2 is b and the height is h. A= 1/2h ( a + b)
Click here to see answer by josgarithmetic(39617)

Question 746752: what is the surface area of 20 feet and 30 feet and 24 feet
Click here to see answer by Cromlix(4381)

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