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

Tutors Answer Your Questions about Surface-area (FREE)

Question 389189: A 48 cm long wire is bent to form a rectangle whose length is twice it's width. Find the length and area of this rectangle.
Click here to see answer by mananth(16946)

Question 389203: Lamp posts along one side of a street are 6 km apart. If they extend for one and a half km, find the number of lamp posts along the street.
Click here to see answer by Alan3354(69443)

Question 389139: Lateral area and surface area of a regular square pyramid with base edge length 12 and the altitude of the pyramid is 8
Click here to see answer by ewatrrr(24785)

Question 389523: Show that the rectangular solid of maximum surface area inscribed in a sphere is a cube.
Click here to see answer by richard1234(7193)

Question 390041: if r=3 in and h=4 in, find the total surface area.
a-32 s in
b-20 sq in
c-21 sq in
d-24 sq in
find the surface area of a sphere with a radius of 4inches
a- 21 1/3 sq in
b - 64 sq in
c - 16 sq in
d - 256 sq in
Click here to see answer by Alan3354(69443)

Question 390125: the surface are of a cube is 726 square inches. what is the length of a lateral edge?
Click here to see answer by mananth(16946)

Question 390223: the diameter of two cones are equal. if there slant hieght is in the ratio 7:8,then find the ratio of their curved suface area.

Click here to see answer by Edwin McCravy(20055)

Question 390301: a parralelogram has sides that are 10cm and 20cm long. the measure of the acute angles of the parallelogram is 30 degrees. whatt is the area of the parallelogram?

Click here to see answer by ewatrrr(24785)

Question 390536: find the area of the triangle a(,4-4),b(4-4)
Click here to see answer by Alan3354(69443)

Question 390805: Find the area of a textbook with approximately 10 inches by 8 inches
Click here to see answer by richard1234(7193)

Question 390813: Find the area of an Olypic-size swimming pools measuring 50 meters by 25 meters
Click here to see answer by rfer(16322)

Question 391061: what is the squar unit of a cylinder if the radius is 10in and the height 3ft
Click here to see answer by rfer(16322)

Question 391608: A corner lot that originally was square lost 185 m squared of area when one of the adjacent streets was widened by 3m and the other was widened by 5 m. Find the new dimensions of the lot. HINT let x = the length of a side of the original square lot.
Click here to see answer by ankor@dixie-net.com(22740)

Question 392027: if the area of a rectangle is 50. The length is two times the width. What are the length and width?
Click here to see answer by Earlsdon(6294)

Question 392145: The diameter of the base of a cone is 14cm and its slant height is 25cm.what is its vertical height?
Click here to see answer by mananth(16946)

Question 392572: A box has rectangular top, bottom, and sides. The top and bottom are square. The volume must be 8 cubic meters. Express the total surface area A of the box in terms of the height h (in meters) of the box.
Click here to see answer by mananth(16946)

Question 393743: the lateral area of a pyramid with a square base is 240 sq. ft. its base edges are 12 ft. long. what is the slant height of the pyramid?
Click here to see answer by ewatrrr(24785)

Question 393744: the lateral area of a pyramid with a square base is 240 sq. ft. its base edges are 12 ft. long. what is the slant height of the pyramid?
Click here to see answer by ewatrrr(24785)

Question 393736: i have a question that involves a right triangle with only the hypostenuse number given. c=14
the question ask me to find the area and the value of x but they only gave me one number.. can you please help me
Click here to see answer by ewatrrr(24785)

Question 394212: how many 20cms tubes can fit into 100cms tube with 2.5cms pitch
and its formula
Click here to see answer by Alan3354(69443)

Question 394585: Two angles are complementary. One contains 30� more than the other. Find both angles.
Click here to see answer by pie90010(44)

Question 394641: An iron pipe having outer radius of 4 centimeter is 5 meter long. Its curved surface has to be painted. find the cost of painting it at the rate of Rs.14 per sq.meter ?
Click here to see answer by Alan3354(69443)

Question 394961: Word Problem:
A cylindrical can is closed at both ends and its height is twice its radius. Express its surface area, S, as a function of its radius, r. [Hint: The surface area of a can consists of a rectangle plus two circular disks.]
I guess I'm not sure what the answer they're asking for would be. I know that the surface area of the can would be S=2*pi*r^2+(2*pi*r)(h) but that's about as far as I know to go.
Click here to see answer by Earlsdon(6294)

Question 395093: What is the area of a 12-by 14- foot dinning room and will a circular table with a diameter of 91.66 fit?
Click here to see answer by Alan3354(69443)

Question 395227: IF a=3 and c=6 find b
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Question 395230: if a=3 and c=b find b
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Question 395559: you are buying shingles for a roof. each bundle of shingles will cover 33 square feet. the roof consist of two rectangular parts, and each is 60 feet by 36 feet. how many bundles of shingles do you need?
Click here to see answer by rfer(16322)

Question 395571: A spherical balloon with radius r inches has a volume V(r)=4/3(pi)r(cubed). Find a function that represents the amount of air required to inflate the balloon from a radius of r inches to a radius of r+1 inches.
Click here to see answer by ankor@dixie-net.com(22740)

Question 396632: find the Surface area of a metal cube with sides 5 ft. long
Click here to see answer by MathLover1(20849)

Question 397550: please help me solve this problem: S=6(14x10)
Click here to see answer by ewatrrr(24785)

Question 397548: please help me solve this problem : S=6(14x10)
Click here to see answer by ewatrrr(24785)

Question 397920: If 2 square feet of a fence can be painted in 10 minutes, how long will it take to paint 150 feet (squared) of fence? NOTE: The base of the fence is 25 ft long and the height is 6 ft.
This is my work:

(2 sq ft=10 minutes)
150 ft=750 minutes 750 min/10 minutes=75 minutes= 1hr15min*2=2hrs30min
Click here to see answer by ankor@dixie-net.com(22740)

Question 397970: if the radius of a cone is 4 and the hight is 12 what is the surface area
Click here to see answer by Tatiana_Stebko(1539)

Question 398347: diameter of sphere is decreased by 25% by what percent does its curved surface area decreases
Click here to see answer by Alan3354(69443)

Question 398353: The cost of laminate flooring is $5.89 per sq. ft. if Nancy installs it herself or $8.89 per sq. ft. if installed by flooring company. Determine the cost for the flooring in the living room/dining room.
Living/Dining Room is 25' x 22'
Click here to see answer by nerdybill(7384)

Question 398297: Repeat algebraically the area of a rectangle with length= 2x+1 and width= x+3
Click here to see answer by nerdybill(7384)

Question 399408: I need to find the height of a storage unit that is 5 ft wide by 8 feet long with a square footage of 40 feet. I thought v=lwh would work but I'm wrong. Thanks for the help.
Click here to see answer by nerdybill(7384)

Question 399482: What is the ratio of the surface area of the larger cylinder which has a diameter of 12cm. and a height of 6cm. to a smaller cylinder which has a diameter of 8cm and a height of 4cm. the book answer is 9:4 my answer is 2:1
Click here to see answer by ewatrrr(24785)

Question 399906: what is the surface area of a sphere with a radius of 20 inches?
Click here to see answer by mananth(16946)

Question 399906: what is the surface area of a sphere with a radius of 20 inches?
Click here to see answer by Edwin McCravy(20055)

Question 400350: Find the exact value of the volume of a can of tomato paste with a diameter 5 centimeters and height of 8 centimeters. Include correct units with your solution. Use "pi" in place of the pi symbol.
Click here to see answer by Alan3354(69443)

Question 400964: The volume of a rectangular prism is 60 cubic inches. The height is 4 inches. What could the length and width of the rectangular prism be?
Click here to see answer by richard1234(7193)

Question 402005: Provide an appropriate response.
24) Indicate whether the tasks involve perimeter or area:
(i) Determining the amount of string needed to mark off a garden plot;
(ii) Determining the amount of plaster needed to plaster a ceiling;
(iii) Determining the amount of stainless steel sheeting needed to cover a kitchen
backsplash;
(iv) Determining the amount of crown moulding needed to finish a bedroom;
(v) Determining the amount of fertilizer to purchase to fertilize a lawn
Click here to see answer by stanbon(75887)

Question 402354: The area of a circle is (9y^2+78y+169)(pi) square centimeters. What is the diameter of the circle (make sure answer is labeled correctly)?
Click here to see answer by Alan3354(69443)

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