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

Tutors Answer Your Questions about Surface-area (FREE)

Question 370641: Hi i have an area i need to concrete, and need to work out how much concrete i need so as i can get a quote. the area is 5.4 meters by 4.5 meters by 1.9 meters by 5 meters. with a depth of 10cm. could you please work out how much i need in cubis meters please. Thanks Helen
Click here to see answer by amoresroy(333)

Question 371646: A rectangle is twice as long as it is wide. If its length and width are each reduced by 1 inch, the area of the rectangle is reduced by 14 square inches. Find the dimensions of the original rectangle.
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Question 371640: When the dimensions of a cube are reduced by 4 inches on each side, the surface area of the new cube is 864 square inches. What were the dimensions of the original cube?
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Question 371811: If the architectural drawings for a house is 1/2 inch =1 1/2 feet, what would the actual length be if the drawing length is 5 inches?
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Question 371847: Find the area of a circle if the radius is 8 inches. (Use (I think it is the symbol for pie) = 3.14.
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Question 371846: Find the radius of a circle if the circumference of the circle is 29 (it looks like a cursive n with a line on top of it) cm.
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Question 371852: Jamal has a game with 2 groups of tiles. The first group of 26 tiles is labeled with all the letters of the alphabet. The second group of 10 tiles is numberd 0 through 9. If Jamal draws 1 letter tile and 1 number tile, what is the probability that he will draw a letter in his name and an odd number?
Click here to see answer by Edwin McCravy(8999)

Question 371851: Find the lateral surface area of a cylinder if the radius is 12 inches and the height of the cylinder is 14 inches. (Leave your answer in terms of (pie symbol).
Click here to see answer by rfadrogane(214)

Question 371892: The perimeter of a triangle is 136 cm. If the three sides of the triangle are (x+7) cm, (2x-5) cm, and (3x+2) cm, what is the length of each side?
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Question 371883: Tony pays 30% of his monthly incom on rent. If he pays $810 for rent each month, what is his monthly income?
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Question 371850: Find the length of the base of a triangle if the area of the triangle is 82 cm squared and the height is 4 cm.
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Question 371845: Find the radius of a cylinder if the lateral surface area is 36 (I think it is the pie symbol, it looks like a small cursive n with a line on top of it) cm squared and the height of the cylinder is 3 cm.
Click here to see answer by ankor@dixie-net.com(15746)

Question 371885: Sean is ordering his senior class ring. The price of the ring is $181.45. If he must pay a sales tax of 7.25%, what will the final price of the ring be?
I took 181.45 * 7.25% and rounding up got that tax would be 13.16 and added to the price of the ring or 181.45 + 13.16 = 194.61
Did I do it correctly? If not can you show me the steps I did wrong?
Click here to see answer by scott8148(6628)

Question 372370: The volume of a sphere of radius r is V = 4/3 pir^3
use the formula to find r in terms of V. Rationalize the denominator
Click here to see answer by mananth(12270)

Question 372480: suppose you are to move a box whose height is 2 cm more than its lenght is 3 cm more than its width.if l,w,and h represent lenght.find the volume of the box in terms of w.

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Question 373311: a rectangle has an area of 221 cm2 and a perimeter of 60 cm
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Question 375066: How do you get the area of a trapeziod 12 inches tall and 11 inches in width?
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Question 375824: The circumference of a circular window is 15 feet. Find the area of the window?
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Question 376099: measure of 1 side of a rhombus where the small and large diagonals measure 12 cm and 16 cm
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Question 377813: what is the surface area in square inches of a cube whose edge are 9 inches long?
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Question 379585: calculate the surface area in terms of pie.
radius= 6 inches
What's the surface area?
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Question 380403:
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Question 381140: The outside dimensions of a picture frame are 3 feet by 29 inches. If its inside dimensions are 1 2/3 feet by 22 inches, what is the area of the frame?
I've tried to do length times width on both sizes but the answer is a multiple choice and none of the answers I've come up with are a choice. Here's what I've tried...outside-- 36 inches x 29 inches= 1044 inches or 87 feet
inside-- 20 inches x 22 inches= 440 inches or 36.66 feet
answer choices are A) 137.33 ft2 B) 616 in2 C) 144.67 ft2 D) 604 in2
Click here to see answer by scott8148(6628)

Question 381403: if diameter is 24in n height is 12in, what is the total volume?

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Question 382046: find the area of a rectangle with diagonal 30 and with an angle 30 degree.

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Question 382856: in rhombus ABCD, AB=14 and AC=20. Find the area of the rhombus to the nearest tenth
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Question 383043: Melissa took 5n photographs on a certain trip. If she gives n photographs to each of her 3 friends, how many photographs will she have left?
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Question 383225: If the box is 12 inches long, 4 inches wide and 3 inches high, then what is the length of the diagonal?
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Question 383435: I am working on a take home test that is due tomorrow. I seem to be struggling with lateral area and surface areas. Can you please help me understand.
The lateral area of a cone is about 226.2 square meters. If the slant height of the cone is 12 meters, what is the surface area to the nearest tenth.
Please help I have take home test due tomorrow and this is where i am struggling.
Tracy
Click here to see answer by mananth(12270)

Question 383495: What is the area if the length is 1m 52 cm and the width is 2 m 8 cm?
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Question 383494: What is the area if the length is 77 cm and the width is 60 cm
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Question 383930: how do you find the surface area of an odd shape?
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Question 383930: how do you find the surface area of an odd shape?
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Question 384031: i have a hexagon with each side 10 inches how to i find the area?

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Question 385333: The inside measurements of a can are 9.8cm in diameter and 13.2cm in height. What is the capacity of the can.
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Question 385357: What is the formula for calculating the surface area of a barrel shape: 48" tall, 20" small Ø and 24" large Ø?
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Question 385553: What is the surface area of a bowling ball?

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Question 385776: a square tract of land has an area of 1600 square feet. it is enclosed on three sides by a fence. what is the length of the fence?
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Question 386495: find the area of a square with side 6.
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Question 386510: A solid metal ball of radius 2 cm is melted and the metal obtained recast to form a solid right circular cone of radius 5 cm. Find the height of the cone.
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Question 386631: what is the surface area of cylinder with a radius of 3in and a height of 5in in terms of pi
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Question 386631: what is the surface area of cylinder with a radius of 3in and a height of 5in in terms of pi
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Question 386718: A right circular cylinder has height of 15 feet and lateral surface area equal to 120 square feet. Find the volume of the cylinder.
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Question 387665: What is the diameter of a circle that has an area of 106 square inches?
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