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

Tutors Answer Your Questions about Surface-area (FREE)

Question 1069789: draw 11 rectangles with a perimeter of 24 cm.For the width use natural numbers, starting at 1. Include the length, the width as well as the area on the sketch of each rectangle
Click here to see answer by Fombitz(32388)

Question 1069833: what is the surface area to a triangular pyramid
length is 6ft
height is 4.5
Click here to see answer by ikleyn(52781)

Question 1070024: If the radius of a cylinder is 3x+4 and the height is double that then what is the surface area
Please solve as a binomial/trinomial without using a value for pi
Click here to see answer by Alan3354(69443)

Question 1070030: One solar panel is 3.8 feet wider than the other. Find the width of each panel when a = 16. (Assume there is no gap between the panels.)

Click here to see answer by Alan3354(69443)

Question 1070052: The circumference of a rectangle with sides a and b is 100 cm. If a is shortened by 5 cm and lengthened b by 6 cm, the surface area is reduced by 60 cm2.
Calculate the lengths of sides a and b.
Click here to see answer by ikleyn(52781)

Question 1070242: a manila paper measures 102 cm and 57 cm. what is its area?

Click here to see answer by Alan3354(69443)

Question 1070298: Determine the optimal surface area for a right angle triangular prism, using a table below:
S , h , c , Surface Area
1
2
3
4
5
6
7
8
9
10
Click here to see answer by ikleyn(52781)

Question 1070314: Determine the optimal surface area for a right angle triangular prism that has a Volume=200m^3, using a table below: ( you can use any number for side lengths)
S , h , c , Surface Area
1
2
3
4
5
6
7
8
9
10
Click here to see answer by ikleyn(52781)

Question 1070319: Having a hard time with this question
Find the optimal surface area of a right triangular prism that has a volume of 200m^3.
Fill out the table below to find the optimal surface area, you can use any number for the sides.
S ________________h____________c__________Surface Area
1 ____ ____ ___________
2 _____ ____ ___________
3
4
5
6
7
8
9
10
Click here to see answer by ikleyn(52781)

Question 1070339: A hemispherical solid has a radius r cm, total surface area A cm square and volume V cm cube.Taking pie to be 3.142, find the value of r and of V, correct to one decimal place, given that the the value of A is 166.2

Click here to see answer by Alan3354(69443)

Question 1070393: If the side lengths are doubled 8mm and 8mm what is the answer simplifyed
Click here to see answer by Alan3354(69443)

Question 1070480: The central hall of school is 18 m long and 12.5 m wide.A carpet is to be laid on the floor leaving a strip of 50 cm wide near the wall, uncovered. Find the area of the carpet and also the uncovered portion .
Click here to see answer by josgarithmetic(39617)

Question 1070490: A square and a parallelogram have the same area. If a side of the square is 40m and the height of the parallelogram is 20 m , find the base of the parallelogram .
Click here to see answer by ikleyn(52781)

Question 1070529: Let ABC be a triangle such that AB= 6cm, AC=8cm and BC 10cm and M be the midpoint
of BC .AMDE is a square, MD and intersects AC at point F . Find the area of quadrilateral AFDE.
Click here to see answer by KMST(5328)

Question 1070610: a�wooden�board�in�the�shape�of�a�rectangular�prism has a length of 60 inches, a width of 4 inches, and a height of 2 inches. what is the surface area of this wooden board?
Click here to see answer by Alan3354(69443)

Question 1070823: A trough at the end of a gutter spout is meant to direct water away from a house. The homeowner makes the trough from a rectangular piece of aluminum that is 30 in.long and 14 in. wide. He makes a fold along the two long sides a distance of X inches from the edge. If he wants the trough to hold 280 in. to the third power of water, how far from the edge should he make the fold?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1070937: an expression for the area of a rectangle 15 height and width x and x+3
Click here to see answer by Alan3354(69443)

Question 1070981: Ok, so I had a math test today and didn't finish. I am allowed to finish it tomorrow but I have some questions...
A basketball court in a scale drawing is 11.75in by 6.25in. What is the area of the basketball court with the scale 1 in= 8ft?
Click here to see answer by josgarithmetic(39617)

Question 1071018: The question says:
A classroom floor will be covered with carpet. Which formula is needed to find the amount of carpet needed?
P = 2l+ 2w
v = l x w x h
a = l x w
p = 4s
The answer is area right? a = l x w
Click here to see answer by josgarithmetic(39617)

Question 1071028: Mrs. Roza painted the top of a retagular table. The perimeter is 18 feet. The area of the table is 20 square feet. Which of the following could be the length and width of the tabletop?
a. 2ft, 9ft
b. 10ft, 2ft
c. 4ft, 5ft
d. 9ft, 9ft
I am so confused on how to find the answer
Click here to see answer by josgarithmetic(39617)

Question 1071026: A storage locker measures 5 feet by 6 feet by 14 feet. How much space in the warehouse will the storage locker occupy?
Is it 5x6x14 =420 cubic feet?
Click here to see answer by josmiceli(19441)

Question 1071034: Julio is covering the rectangular floor in his room with carpet. He covers the floor with 180 feet of carpet. The width of the room is 9 feet, what is the length.
Is it 20 feet or 20 square feet and why?
Thank you!
Click here to see answer by josgarithmetic(39617)

Question 1071042: There are 2 rugs. The bedroom rug is 14 by 15. Living room rug is 13 by 16.
How much large is the bedroom rug than the living room rug?
Do I add all the sides?
Click here to see answer by josgarithmetic(39617)

Question 1071211: two similar triangles have corresponding side links measuring 12 feet in 18 feet. if the area of the larger triangle is 36 ft.� find the area of the smaller triangle .
Click here to see answer by KMST(5328)

Question 1071212: I dunno but: The workers at a local amusement park are creating a circular path that will be used to give pony rides. Below is a diagram of the path.
https://learning.k12.com/d2l/lor/viewer/viewFile.d2lfile/239810/330073,-1/
What is the exact circumference of the path?

A;56π feet

B:28π feet

C:14π feet

D:7π feet
Click here to see answer by addingup(3677)

Question 1071041: 1,782 cube shaped blocks are used to make a rectangular prism. It is 11 blocks long and 9 blocks wide. How many blocks represent the height of the rectangular prism?
No clue
Click here to see answer by Boreal(15235)

Question 1071143: What is the surface area of a square pyramid that had an 8cm base length and and triangular faces that are 14cm tall.

Click here to see answer by Dirichlet(3)

Question 1071351: I have Three Equal Inscribed Circles Into Big Circle. Diameter of internal circles is 5 mm. How I calculate area of outer circle.
Click here to see answer by ikleyn(52781)

Question 1071414: A rectangle ABCD has dimensions AB = a and BC = b. Four semi-circles, facing outward, are drawn using each edge of the rectangle as diameter. A full circle is drawn using the diagonal of the rectangle as diameter. Find the total area of the �4 lunes�, the shaded area that is inside one of the first
4 semicircles circles but outside the full circle.
Image in link: http://prntscr.com/eg35j0
Click here to see answer by ikleyn(52781)

Question 1071415: Three circles of radius 6 are drawn with centres C1, C2 and C3 as shown. If each of the 3 circles has its centre on the other 2 circle, calculate the area covered by the 3 circles.
Image in the link: http://prntscr.com/eg3682
Click here to see answer by ikleyn(52781)

Question 1071624: How many 1/8in holes to make a 6in hole
Click here to see answer by Boreal(15235)

Question 1071593: An 8-sided regular polygon (regular octagon) is inscribed in a circle whose radius is 8 inches. Find the area of the polygon.
I know to find the area of an octagon, I need to find the length of a single side of the octagon. I read a lesson created by the Algebra.com tutor ikleyn, on how to find the length of a side of an octagon inscribed in a circle via the circle's radius, but did not quite understand it. Any help solving this problem would be awesome. Thanks!
Click here to see answer by josgarithmetic(39617)

Question 1071413: Two concentric circles are shown. The radius of the inner circle is 3, and the distance between the circles is 3. A line segment of length 4 has its endpoints on both circles. Compute the distance from point A to point B.
Image in the link: http://prntscr.com/eg347w
Click here to see answer by Fombitz(32388)

Question 1071824: What is the surface area of a cylinder with a radius of 8 and a height of 9
Click here to see answer by Alan3354(69443)

Question 1072100: Greg built a rectangular prism with inch cubes. He used 12 inch cubes to build the bottom layer. If the prism is built with a total of 72 cubes, how many layers does Greg's prism have?
So do I just divide 72 by 12?
Thank you.
Click here to see answer by josgarithmetic(39617)

Question 1072182: A rectangle has a perimeter of 34 inches. The length is 7 inches longer than the width.What is the area?

Click here to see answer by Boreal(15235)

Question 1072363: Find the dimensions of the rectangle that has a length 3 meters more that its width and a perimeter equal in value to its area?
Click here to see answer by josgarithmetic(39617)

Question 1072631: The area of a rectangle is 22 square centimeters. If the length is 5 centimeters less than twice the width, then find the dimensions of the rectangle. Round off to the nearest tenth of a centimeter.
Click here to see answer by josgarithmetic(39617)

Question 1072668: If a rectangle has a length of 9 inches and a height of 6 inches, find the volume of the shape generated by rotating the rectangle around a line parallel to its length.
Click here to see answer by Alan3354(69443)

Question 1072348: Let x represent the length and width of the base. Determine the height of the prism in terms of x.
Click here to see answer by Fombitz(32388)

Question 1073352: 4 semicircle and 4 quadrant each of radius 7cm were cut off from a rectangular cardboard if perimeter 128cm.Find the perimeter of the cut cardboard.
Click here to see answer by KMST(5328)

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