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

Tutors Answer Your Questions about Surface-area (FREE)

Question 776778: Dear Math Tutor,
Two cubes are places next to each other. the length of each of the edges of the larger cube is 4cm. if the ratio of their surface areas is 1:4 calculate: a)the surface area of the small cube. b) the length of the an edge of the small cube
the ratio part is confusing me. how do i use the ratio to find a)?
thank you.
Best wishes,
Nats

Click here to see answer by Cromlix(4381)

Question 776992: the radius of the circle is 1cm. the base of the triangle is 3cm. the area of the circle equals the area of the triangle . what is the height of the triangle?
Click here to see answer by josgarithmetic(39617)

Question 777339: In the figure below, there are six circles and one rectangle. Each circle has a radius of 3 cm.
Heres the image : https://s3.amazonaws.com/imagesprod.learnzillion.com/question_draft_images/2158/2870.jpg What is the area of the rectangle?
60 square cms
216 square cms
18 square cms
9 square cms

Click here to see answer by wilft1(217)

Question 777333: if a triangle has a base of (4x-2) inches and a height of 3x inches, what is the area in the simplified form?

Click here to see answer by Cromlix(4381)

Question 777426: My teacher said that there is one shared surface area formula that you can use to find the surface area of all of the prisms; however, I cannot find that formula. I know the separate formulas for the triangular prism and the rectangular prism, but what is the shared formula for all of the prisms?
Click here to see answer by jim_thompson5910(35256)

Question 777709: A=π(d/2)^2 solve for d
the answers I have come up with are : πd^2/4 or d = √π/4
Click here to see answer by josgarithmetic(39617)

Question 777910: The area of a sheet of paper is 24 square inches. The width of the paper is inches wide.
What is the length of the paper?
Click here to see answer by solver91311(24713)

Question 777913: What is the surface area of the sidewalk if a city park is 400 'long & 300' wide. The sidewalks are 6' wide?
How do you find the ratio of the sidewalk to the area of the park?

Click here to see answer by rothauserc(4718)

Question 778561: a cube is inscribed in a sphere . if the surface area of the cube is 60 cm sq. ,find the surface area of the sphere

Click here to see answer by psbhowmick(878)

Question 778586: 1. the area of square is 46.24 sq.cm. find its side.

Click here to see answer by oscargut(2103)

Question 778870: the perimeter of a sq. lot is 12 metres. find its area in sq. centimetres
Click here to see answer by caster28(1)

Question 779044: A solid hemisphere has a radius of 7cm.find the total surface area
Click here to see answer by mananth(16946)

Question 780389: A swimming pool 3 meters deep, 11 meters long, and 6 meters wide is filled with water. What is the area of the water's surface?

Click here to see answer by stanbon(75887)

Question 780761: Find the side length Of A cube With the volume 216cm to the third power
Click here to see answer by rfer(16322)

Question 780866: What is the area of a circle (in meters2) with a diameter of 2400 cm?
Click here to see answer by nicathenicsMATH(2)

Question 781174: flag is 18 meters wide and 27 meters long find its area. use proper units
Click here to see answer by Alan3354(69443)

Question 781396: Kathleen is building a squar patio in her backyard. She purchases 196 square feet of patio tiles. What will the perimeter of th patio be?
Click here to see answer by psbhowmick(878)

Question 782111: If the length of the side of a square is 0,12 cm then the area =
Click here to see answer by oscargut(2103)

Question 782614: A triangle has sides -x-1, -3x+5, and -2x. what is the perimeter?
Click here to see answer by jim_thompson5910(35256)

Question 782677: What is the area of triangle

Click here to see answer by nicathenicsMATH(2)

Question 783269: This photograph is enlarged to make a poster
the photograph is 10cm wide and 16cm high
If the poster was 25cm wide how tall would the poster be ?
( i tried answering it by multiplying the height and width but my teacher told me that was wrong
Click here to see answer by Cromlix(4381)

Question 783414: what is the formular of calculating the area of the bottom of the box
Click here to see answer by solver91311(24713)

Question 783927: a circular plate has radius 15 cm. every dimension is multiplied by 4 to create a larger, similar plate. how is the ration of the circumferences related to the ratio of the corresponding dimensions? what is the ratio of the circumferences?
Click here to see answer by Cromlix(4381)

Question 784025: a picture has an area of 120 square centimeters.what possible sizes could the picture be?
Click here to see answer by solver91311(24713)

Question 784040: Find the area of a square if the length of each side is 9 yd.
Click here to see answer by MathLover1(20849)

Question 784499: Area of the floor of a room is 56 square meter and area of a wall of the room is 72 square meter. Find out the length, breadth and height of that room.
Click here to see answer by KMST(5328)

Question 784673: A cylinder has a length of 6.0cm and a curved surface area of 130cm^2. Find its radius.
If you could briefly explain how to do it, give hints or show working, it would be greatly appreciated.
Thank you very much (:
Click here to see answer by fcabanski(1391)

Question 785328: the area of the rectangle is 22 square feet. If its width is 1 3/7 feet, find its length
Click here to see answer by waynest(281)

Question 785527: The perimeter of a triangle is 75 feet. What is the largest possible area?
Click here to see answer by KMST(5328)

Question 785482: Two square pieces of equal dimensions made of thin cardboard are kept one on another in such a way that their sides and vertices coincide. The square piece on top is now rotated about its centre by an angle of 45 degrees. Find the ratio of the area covered by the pieces to the area of one of the square pieces.
� 2:1
� 11:18
� 1:2
� 11:9
� 18:11
Click here to see answer by KMST(5328)

Question 787153: Two cones with same base radius 4 cm and height 8 cm are joined together along their bases. Find the surface area of the shape so formed.
Click here to see answer by Cromlix(4381)

Question 787368: The length of a picture frame is 6 cm longer than the width. If the length is increased by 9 cm and the width by 5 cm, the perimeter will be 160cm. Find the dimensions of the original rectangle.
I have been stuck on this problem for more than an hour. Can someone please help me?
Click here to see answer by stanbon(75887)

Question 787705: Hey Again,
Sorry to have to bother you but i am stuck on a question for my Maths investigation.
Could you please help me?
The question is...
"Using the volume formula make h the subject for the cylinder and H the subject for the prism."
The volume for them both is the same and is 1000cm^3 ...
Thanks soooo Much!
Gabrielle
Click here to see answer by stanbon(75887)

Question 787700: Hi,
I am having some trouble with a Geometry question for an investigation, which states:
What is the �best� container for mass production between a cylinder can and a square based prism with the same volume of 1000cm^3 ? and why?
I think it is the cylinder but i am not sure.
Thanks so MUCH!!!!!
Gabrielle
Click here to see answer by stanbon(75887)

Question 788133: What is the equation for surface area of a sphere?

Click here to see answer by stanbon(75887)

Question 788360: what is the circumfrence of a circle is the radius is .25inches , use 3.14 .
Click here to see answer by solver91311(24713)

Question 788897: find the circumference and area of a circle to the nearest tenth with the diameter of 2.8cm

Click here to see answer by rfer(16322)

Question 789031: A square cardboard has an area of 81 cm2. Find its perimeter
Click here to see answer by jim_thompson5910(35256)

Question 789115: plot the equation 3x+4y=7 on the graph paper taking four points. also plot the equation y=x on the same graph paper. at what point do the two lines meet?
Click here to see answer by KMST(5328)

Question 789467: at what rate of interest per annum the amount Rs 10,000/- will be doubled in 5 years, interest being compounded quartely?
Click here to see answer by stanbon(75887)

Question 791037: a window glass is 6ft.3in by 4ft.8in find it's area in square feet
Click here to see answer by Cromlix(4381)

Question 791121: The area of a triangle is 75 square feet.If the height is 7 less than the base, find the length of the height and base of the triangle.
Click here to see answer by rothauserc(4718)

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