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

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Question 934386: Hello. I have a question on my study guide that I can't answer (because math is my most complicated subject and I am very confused). I have a final tomorrow and my teacher hasn't gone over this question yet. "The length of a photograph is 4 in. greater than its width. The area of the photograph is 52 1/4 in.^2. What are the dimensions of the photograph?"
Click here to see answer by mananth(16946)

Question 934408: A line segment has a length of 2 1/4 inches. The line segment was then reduced by a scale factor of 1/5. What was the length of the new segment? Show your work.
Click here to see answer by TimothyLamb(4379)

Question 934431: A soild sphere has a volume of 2304πcm^3. Calculate
a) its radius
b) its total surface area ( leave your answer in terms of π)
Help please! I am stuck on b)
Click here to see answer by lwsshak3(11628)

Question 934754: A lampshade is in form of a frustum of a cone. The top and bottom diameters are 10cm and12cm respectively and the height is12cm. Calculate
a) the curved surface area of the frustum
b) the volume of the frustum
Click here to see answer by jim_thompson5910(35256)

Question 934269: The classroom, represented in the figure, needs new tile. Find the minimum square feet of tile needed to cover the area of the classroom.
Here are re numbers on the figure: 12, 17, 9, 6
Click here to see answer by Fombitz(32388)

Question 935051: If I am given the height of the equilateral triangle how do I find the area? The height is 8 units .
Click here to see answer by josgarithmetic(39617)

Question 935203: A square, whose area is equal to the perimeter of the rectangle whose value 16, is inscribed in a circle with its four vertices on the circumference of the circle. What is the diameter of the circle?
Click here to see answer by ankor@dixie-net.com(22740)

Question 935229: A tent of height 77dm is in the form of a right circular cylinder of diameter 36m and height 44 dm surmounted by a right circular cone. find the cost of the canvas at rs 3.50 per sq meter.
Click here to see answer by josgarithmetic(39617)

Question 935230: A tent of height 77dm is in the form of a right circular cylinder of diameter 36m and height 44 dm surmounted by a right circular cone. find the cost of the canvas at rs 3.50 per sq meter.
Click here to see answer by Alan3354(69443)

Question 935351: the surface area of a cube with sides 5 m long is m
Click here to see answer by Alan3354(69443)

Question 935404: In the middle of a rectangular room, is a rectangular rug, 13 feet by 15 feet. A strip of hardware floor of uniform width is visible around the rug. If the area of the strip is 60 square feet, how wide (in feet) is the strip
Click here to see answer by josgarithmetic(39617)

Question 935685: The area of an equilateral triangle is 49 times the square root of 3. Compute the perimeter of this triangle.
Click here to see answer by lwsshak3(11628)

Question 935753: The surface area of this cube is 21.66 square yards. What is the value of j?
Click here to see answer by stanbon(75887)

Question 935753: The surface area of this cube is 21.66 square yards. What is the value of j?
Click here to see answer by Alan3354(69443)

Question 936078: Please help me figure out this problem. The perimeter of a square porch is 3 more than the area. Find the length of a side, it's area, and it's perimeter.
Click here to see answer by stanbon(75887)

Question 936210: Land in the shape of an isosceles triangle has a base of 130 m. An altitude from one of the legs of the triangle is 120 m. What is the area of the property?
These are the possible answers.
A)3000 B)9840 C)9512 D)10140 E)10200
Click here to see answer by Theo(13342)

Question 936340: your classmate confuses the formulas for the circumference and the area of a circle. he knows that one of the formulas is pi r squared how can he use the units for circumference and area to help him remember which formula to use
Click here to see answer by stanbon(75887)

Question 936350: what is the ratio of corresponding sides of two similar triangles whos areas are 36 square inches and 144 square inches?
Click here to see answer by josgarithmetic(39617)

Question 936350: what is the ratio of corresponding sides of two similar triangles whos areas are 36 square inches and 144 square inches?
Click here to see answer by MathTherapy(10552)

Question 936397: the volume and the curved surface area of a cylinder are 1650 cubic cm and 660 sq. cm respectively. find the radius and height of the cylinder

Click here to see answer by srinivas.g(540)

Question 936232: If the area of the center square is four square units, what is the area of the regular octagon? Here is an image: http://postimg.org/image/icik0myl1/

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

Question 936405: A cubicle block of side7 c.m is surmounted by a hemisphere. What is surface area of the solid?

Click here to see answer by Alan3354(69443)

Question 936655: Hello there, I have a question on Ratio of Areas of Similar Geometric figures.
The problem says: "The ratio of the area of the small circle to the area of the big circle is 1 to 64. What is the ratio of the radius of the small circle to the radius of the big circle?"
I always have conflict with this kind of problems because I don't understand them. Could you explain also this concept to me?
Thanks in advance.
Click here to see answer by ewatrrr(24785)

Question 936960: hi there how you work out x of a triangle if the area is 51mm[2] and the bass is 17mm
Click here to see answer by Fombitz(32388)

Question 936991: My cats' scratching post is 860mm high with a diameter of 80mm. What length of sisal rope will I need to cover the surface area of the post, if the diameter of the rope is 8mm
Click here to see answer by Alan3354(69443)

Question 937483: a rectangular tank of 30*20*12 cm contains water to a depth of 6 cm. a metal cube of sides 10 cm is placed in tank with just one face resting on the bottom of the tank. find the volume of water in liters, that must be poured in the tank so that the metal cube is just submerged in the water.

Click here to see answer by TimothyLamb(4379)

Question 937358: How much wrapping paper is needed to cover a present that is 4 feet high, 2 feet wide and 3 feet long?
Click here to see answer by TimothyLamb(4379)

Question 937552: Suppose the volume of a cube is numerically equal to half the surface area of the cube. Find the surface area of this cube. Thanks for your help.
Click here to see answer by TimothyLamb(4379)

Question 937598: a cylinder has a radius of 15cm and a surface area of 1,380 cm2 . what is the height
Click here to see answer by lwsshak3(11628)

Question 937313: How much wrapping paper is needed to cover a present that is 4 feet high, 2 feet wide, and 3 feet long? Please show your work.
Click here to see answer by TimothyLamb(4379)

Question 937741: The area of a square is 1.69 cm^2
The length of one side of the square is (3+2x)cm
What is the value of x?
Click here to see answer by MathLover1(20849)

Question 933385: A 6inch by 8inch photo is enlarged to produce a 9inch by 12inch photo. What is the scale factor of the dilation

Click here to see answer by SteventheWalrus(1)

Question 937864: The 4-leaf figure is obtained by drawing semicircles on each side of a square with side 8. Find the area of the shaded region.
Picture for more detail: http://imgur.com/dFgevEi
Thanks!
Click here to see answer by TimothyLamb(4379)

Question 937886: http://imgur.com/5GLK6fa
Each side of the triangle is 8. Find the area of the shaded region.
Thanks!
Click here to see answer by TimothyLamb(4379)

Question 938005: An organization is planning a dance. The band will cost $400 and advertising costs will be $100. Food will be supplied at $2 per person.
a. How many people need to attend the dance in order for the organization to break even if tickets are sold at $7 each?

b. How many people need to attend the dance in order for the organization to break even if tickets are sold at $6 each?
c. How many people need to attend the dance if the organization wants to earn $400 profit and sells tickets for $6 each?

Click here to see answer by mananth(16946)

Question 938536: luke keeps his art supplies in a shoe box that has a base area of 84 sq. in. The volume of the box is 429 cubic in. What is the height.
Click here to see answer by jim_thompson5910(35256)

Question 938581: The circular rug is placed on a square floor with side lengths of 14 feet. The rug touches all four walls. How much of the floor space is nit covered by the rug?
Click here to see answer by mananth(16946)

Question 938883: Calculate the surface area of a room that is 14ft by 16ft by 10ft. Ignore doors and windows.
Click here to see answer by jim_thompson5910(35256)

Question 939063: If a diagram shows a 30-60-90 triangle with a square on each side. The side opposite to the 30 angle is 10 units and the side opposite to the 60 angle is 10 *the square root of 3. Using the areas of the squares to show that the squares on each side of the triangle satisfy the pythagorean relationship A squared+B squared=C squared what is c squared
Click here to see answer by stanbon(75887)

Question 939119: Total area of cube is 726cmsq.find the length of its edge
Click here to see answer by ewatrrr(24785)

Question 939409: A right triangle is inscribed in a circle such that one side of the triangle is the diameter of the circle. if one of the acute angles of the triangle measures 60 degrees and the side opposite that angle has length 15, what is the area of the circle ?
Click here to see answer by ankor@dixie-net.com(22740)

Question 939160: Ryan is building a storage shed for his lawn mower in his backyard. The scale drawing of the shed is drawn so that 1 cm = 1 ft. If the drawing shows the area of the shed to be 47 cm^2, what is the actual area of the shed?
Click here to see answer by gushinwuvsyou(1)

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