Questions on Geometry: Rectangles answered by real tutors!

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Question 562702: Need dimensions of a rectangle with a 380m perimeter. I dont understand the explanation my daughter got at school. Here is what she has written.
w+w+20+w+w+20=380
4w+40=380
-40=340
4w=340
340 divided by 4=85
4w=85

Click here to see answer by issacodegard(60)

Question 562778: Need to find the dimension of a rectangle with a perimeter of 640yds. All I have is one side is w and the other is 3w-12. 3w has me confused. Thanks.

Click here to see answer by rfer(16322)

Question 562340: a rectangular public garden x-ft. by y-ft. has a sidewalk surrounding the lawn. the sidewalk is 6 ft. wide. what are the dimensions of the lawn? what is the area of the lawn?
Click here to see answer by ankor@dixie-net.com(22740)

Question 563021: A cookie recipe requires 4 cups of flour to make 5 dozen cookies. If Amy needs to make 15 dozen cookies, how many cups of flour will she need?
Click here to see answer by josmiceli(19441)

Question 562968: If the area of a rectangle can be expressed as x2+x-56 cm2, what is the smallest possible value of x? Explain.
Click here to see answer by richard1234(7193)

Question 563805: the width of the rectangle shown is 18 inches.the length is 4 feet.what is the area of the rectangle in square feet?

Click here to see answer by Earlsdon(6294)

Question 564023: A large area of an art classroom has an area of 3x^2 + 9x. What is the possible length and width? How do you know. Is that the only possible answer? Why?
(3x^2 meaning 3x squared)
Thank you
Click here to see answer by richard1234(7193)

Question 564275: The perimeter of a rectangle is 60 inches. The ratio of the length to width is 3:2. What is the length and width?
Click here to see answer by ad_alta(240)

Question 564342: A rectangle has an area of 735cm2. Its length and width are whole numbers. what are the possibilities for the two numbers and which possibility gives the smallest perimeter?
Click here to see answer by ad_alta(240)

Question 564365: The length of a rectangle is 3 ft more than twice its width, and the area of the rectangle is 54 ft squaed . Find the dimensions of the rectangle.
Click here to see answer by ad_alta(240)

Question 564648: The width of a rectangle is 5 more than one third it's length. Of the perimeter is 34, what are the dimensions of the rectangle?
Click here to see answer by stanbon(75887)

Question 564687: if an official flag has a length of 2 1/2 feet find its length
Click here to see answer by Alan3354(69443)

Question 564687: if an official flag has a length of 2 1/2 feet find its length
Click here to see answer by richard1234(7193)

Question 564715: The length of a rectangle is 3ft less than twice tha width of the rectangle. Tha perimeter is 174ft what is width and length
Click here to see answer by mananth(16946)

Question 564756: The camera has 10.1 million pixels. The product of the pixels across the screen times the pixels up the screen gives the number of pixels the camera has. The ratio of pixels across the screen to pixels up the screen is 4 : 3. How many pixels does this camera have across the screen? Explain what you are calculating as you solve the problem.
Click here to see answer by Theo(13342)

Question 564716: The length of a rectangle is 3ft less than twice the width of the rectangle. Tha perimeter is 174ft what is width and length
Click here to see answer by ad_alta(240)

Question 565088: A rectangle has a width of 2X inches and a length that is 6 inches longer. The area is 216 sq. inches. Find the dimensions.
Click here to see answer by nyc_function(2741)

Question 565084: A rectangle has a width of 4X � 6, the length is triple this distance. IF the perimeter is 112. Find the value of X, the length, width and area of this rectangle.

Click here to see answer by nyc_function(2741)

Question 565130: using whole number of inches only, give the widths and lengths of six different rectangles that have an area of 90 square inches.
Click here to see answer by Edwin McCravy(20055)

Question 565130: using whole number of inches only, give the widths and lengths of six different rectangles that have an area of 90 square inches.
Click here to see answer by Leaf W.(135)

Question 565183: the width of a rectangle is 40 percent of the length. The perimeter of the rectangle is 42. Find the length and width of the rectangle.
Click here to see answer by ad_alta(240)

Question 565062: I can't find the right topic, but how do you write an expression for the perimeter of a hexagon with one 4x
Click here to see answer by richard1234(7193)

Question 565391: X+3=x+15 find x
Click here to see answer by htmentor(1343)

Question 565479: the perimeter of a square garden is 352 foot how long is each side?
Click here to see answer by Leaf W.(135)

Question 565428: area of pentagon having sides 136*252*38*160*230
Click here to see answer by Alan3354(69443)

Question 565532: The width of a rectangle is 3ft less than the length. The area 4ft Find the length and width.
Click here to see answer by stanbon(75887)

Question 565554: A triangle has a base of X + 3, the height is X + 6 and the area is 135.
Find X ________, Base ________ Ht _________
Please be specific.
Click here to see answer by stanbon(75887)

Question 565656: Please help me solve this equation: The length of a rectangle is 3 centimeters less than twice its width. Its area is 20 square centimeters. Find the dimensions of the rectangle.
Click here to see answer by stanbon(75887)

Question 565779: Which has a greater perimeter, a 28-inch square or a 21-inch by 31-inch rectangle? Explain.
Click here to see answer by unlockmath(1688)

Question 565857: hey this is my question. I have asked around and all i got were answers that were way to complicated for mathematically challenged person such as I.
I hope you can help me understand the question and the answer.

Is it possible for an inscribed rectangle in a circle to have a diameter for a side and a circumscribed rectangle about a circle to be a square? Explain.
Click here to see answer by solver91311(24713)

Question 565828: How does the length of a rectangle change when the width is decreased by 6 units and its perimeter remains the same ?
Click here to see answer by ad_alta(240)

Question 565813: The area of a certain rectangle is 288yd2. The perimeter is 68yd. If you double the length and width, what will be the area and perimeter of the new rectangle?
Click here to see answer by ad_alta(240)

Question 566034: Can u please help me with this question. i am so confused!!
Find the height of the right rectangular prism.
S= 108ft^2
width=4ft
length=6 ft
What i did is try to find the surface are (2b+Ph) so i did
108=2( ) <=== (i left the parenthesis blank)+20(3.2)+(4.2)
then i got, 88=2()+h
i dont think i did it right??
Click here to see answer by mananth(16946)

Question 565972: I really need your help!
The length of a rectangle is 3ft less than 2 times the width. What is the length and width if the perimeter is 42?
Click here to see answer by ad_alta(240)

Question 566102: What would the area be of 22 miles in width and 13 miles in length?
Click here to see answer by Alan3354(69443)

Question 566110: I am in a refresher math course and remember having to do things in parentheses first but not sure what next. This is the problem 5 + [4 + (12-4) divided by 2 ] .I got 4 but I'm not sure if this is correct .can you please help ,I'd greatly appreciate it. Thank you.
Click here to see answer by jcarena(2)

Question 566791: How do I find h & w when h is 7 more than w, and I am only given the area of 330ft^2?
Click here to see answer by solver91311(24713)

Question 566791: How do I find h & w when h is 7 more than w, and I am only given the area of 330ft^2?
Click here to see answer by stanbon(75887)

Question 566968: If I have a rectangle of 24 meter square which can not be the length of one of it's sides,22 meter or 28 meters? I say 28 meters because the other side would be .8567823
Click here to see answer by solver91311(24713)

Question 567007: If I have 40ft or material for the perimeter of a sandbox, what is the smallest area I can have the sides have to be in whole numbers so no mixed numbers or fractions.
Click here to see answer by solver91311(24713)

Question 567535: If the perimeter of a regtangle is 80m and the area is 300 m2 what is the length and width of the rectangle. What is the formula for working out this?
Click here to see answer by mananth(16946)

Question 567623: one integer is less than the other. the product of the two intergers is 60. what is one of the numbers?
Click here to see answer by richard1234(7193)

Question 567837: The perimeter of a standard rectangle is 24ft rug the length is 2ft longer than the width what is the wdth? What is the length
Click here to see answer by rapaljer(4671)

Question 567934: The length of a room is 4 m and it's breadth is 3 m. How many square tiles of side 20 cm are required to cover the floor of the room?
Click here to see answer by mananth(16946)

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