# Perimeter

3,879 results

**algebra**

what is the perimeter of a triangle-like shape with sides that are: sqrt5 - sqrt3 sqrt5 + sqrt3 4 Add the three side length numbers to get the triangle perimeter. Looks like the sqrt 3 terms will cancel out

**Help me pls geometry**

UVW~XYZ, UV= 15, UW=25, and XZ=60. If the perimeter of XYZ is 168, what is the perimeter of UVW?

**Math**

The perimeter of a semicircle is 72 cm. Find the raduis of the semicircle and then find its area Consider the full circle: perimeter 144 radius= perimetercircle/2PI areacircle= PI*rad^2 areasemicircle= 1/2 area circle

**Geometry**

A regular pentagon has side length 12cm.the perimeter of the pentagon is 60cm and the area is 247.7cm2 .a second. Pentagon has side lengths equal to 24cm .find the perimeter of the second pentagon

**math**

If length of one side of a 3x3 square is four times, and the length of the adjacent side is tripled, the perimeter of the new rectangle is how many times bigger than the perimeter of the original square? please explain and show work.

**Algebra 1**

The perimeter of a rectangle equals the sum of the lengths of its four sides. If the width of a rectangle is 4 inches and its perimeter is 36 inches, find the length of the rectangle. The length of the rectangle is ? My answer was 144, is this correct?

**math**

what would the dimensions of a retangle be whose perimeter is 50(P=50)inches when the length is 2x-5 ane the width is unknown The width must be 25 - (2x-5) = 30-2x, since the sum of the length and width must be half the perimeter. You do not have enough information to solve ...

**College Algebra**

The length of a rectangle is 3 times the width . If the perimeter is to be at least 48 meters, what are the possible values for the width? (If the perimeter is at least 48 meters, then it is greater than or equal to 48 meters.) Enter the expression for the width as an ...

**GEOOOOMETRY!!!!!....Angled Perimeter**

ABCD is a quadrilateral with ∠ADC=∠ACD, ∠ACB=∠ABC and CD=7. If triangles ADC and ABC have perimeter 51 and 59, respectively, what is the value of BC?

**math**

Suppose the area of a rectangle is 36 square inches. Find the Minimum perimeter for a rectangle with this area. Please help asap. Thank you! (so much) We know that A=l*w=36 and P=2(l+w) From the area formula we see that l=36/w Putting this into the perimeter formula we get P=2...

**math, drbob222**

For this problem is it only asking for the exprssion(formula). Or do they want me to solve it. (1) A triangle has sides 3x+7,4x-9,and 5x+6. Find the expression that represents its perimeter. My answer:P=a+b+c I think the question is asking for the expression, but I would take ...

**Math**

The perimeter of rectangle P is 12 feet. The perimeter of rectangle Q is 18 feet. Both rectangles have the same area.Find the area and dimensoin of each rectangle.

**geometry**

a parallelogram has the vertices (-1,2), (4,4), (2,-1), and (-3,-3). determine what type of parallelogram. find the perimeter and area. i found the parallelogram part and its a rhombus but i cant find the perimeter and area

**Math (2nd Try)**

A rectangle has a length of 6x^3 y^2 - 1 and a width of 3xy + 2. The formula for the perimeter of a rectangle is P=2l + 2w, where l is the length and w is the width. What is the perimeter of the rectangle? Simplify your answer.

**math**

a rectangle has a length of 13 units. the perimeter of a rectangle is twice its length. complete the table to find the perimeter of the rectangle if its width is 5,6,7 or 8 units wide

**algebra**

what is the perimeter of a square with sides that are sqrt3 + sqrt5 on every side? what is the area? not perimeter area= (sqrt3 + sqrt5 )(sqrt3 + sqrt5 ) Multiply it out. I will be happy to critique your thinking and work.

**Math**

The length and width of a rectangle are (x+4)cm and xcm respectively. Write down expressions for: A. The perimeter of the rectangle B. The length of the side of a square with the same perimeter If the sum of the areas of the square and the rectangle is 94cm(square), find x Pls...

**basic geometry**

these is my homework, and I would like for some to tell me if I did rigth. 10. A rentangle has width the same as a side of a square whose perimeter is 20m. the length of the rectangel is 9 M. Find the perimeter of this rectangle. W=L+20m 2L+w=9 2L+2w(w-18)=84 2L+2w-18=84 4L+18...

**MATH!**

how do you solve this plz show me how you do this 1. on her last three quizzes, jane scored 84, 96, and 88. what grade must she get on her next quiz to have an average of 90 for all four quizzes? 2. a square and a equilateral triangle have the same perimeter. what is the ...

**geometry**

what do I do to solve this problem? I don't know how to work it out, so could somone show me hoe to work it out. Please help! the lenght of a rectangular playing field is 5 ft less than twice its width.the perimeter is 230 ft,so what is the lenght and width of the field. Let L...

**for all mathematicians**

Maxima/Minima Problem 3 An ellipse having perimeter of 2015π is to be draw on a paper whose sides are 2020π x 2020π. If you want to land the tip of your pen exactly to the perimeter of the ellipse, find the maximum probability of doing this. Express answer in ...

**algebra**

A square and a rectangle have the same perimeter. The length of the rectangle is 4cm less than twice the side of the square, and the width of the rectangle is 6 cm than the side of the square. find the perimeter of each figure

**3rd grade**

use the grid. draw two different figures that each have a perimeter of 14. find each area. question 2. draw a figure with the given perimeter of 10 units and 22 units. question 3. explain why it would be important to know the area of a room that new furniyure will be going into.

**maths**

A) Sam jogs 6 laps around a circular running track which has a radius of 30 meters. How far does she jog in total? B)Tom and Jerry decide to find the perimeter of their garden. Tom measures the length as 5.2 meters while Jerry measures the width as 370cm. What is the perimeter?

**Algebra**

The perimeter of a rectangular booth at the craft festival must be at least 58 feet. The width of JOhn's booth is 7 1/2 feet. What lengths of the rectangle will meet the required perimeter? 1. Define variable and write and inequality 2. Solve the inequality 3. Graph the ...

**algebra**

the perimeter of the small square is equal to one-half the perimeter of the large square, write and solve the an algebric equation to determine what the side lengths of the square are. small square is x large square is x+2

**algebra 1**

A gardner is calculating the perimeter of a rectangular garden, which has a length of 25 feet. The area of the garden is 400 square feet. What is the perimeter of the garden? Write the equation: could it be this? p=400/25+400/25+25+25

**math**

the top of a bridge tower needs new lights. the lights along the perimeter of the tower's top has an area of 65 sq. meters it has a width or 5meters. what is the perimeter of the top tower?

**math(5th grade)**

some 1 centimeter squares are arranged in a staircase pattern. The drawing below shows a 3 step staircase. the area is 6 square centimeters and the perimeter is 12 centimeters. what is the area and perimeter of a 10 step staircase? pls help!

**geomety please help**

the perimeter of a recatngle is 54 inches. The width is one inch less than the lenght. FInd the length and width. I just don't understand how to find the length and width if i am only givent eh perimeter please show work thank you

**Math**

A square piece of cloth is folded in half to form a rectangle. If the resulting rectangle has a perimeter of 8 inches, what are the area and perimeter of the square piece of cloth?

**math**

the perimeter of a room is 45 yards and the area is 120 square yards. what would be the perimeter and the area of the room on a scale drawing with the scale of 3 feet to 1 yard?

**geometery**

Rectangles ABCD and EFGH are similar. The perimeter of rectangle ABCD is 5 times greater than the perimeter of rectangle EFGH. What is the relationship between the areas of the rectangles?

**math**

The perimeter of a square piece of land is twice the perimeter of an equilateral triangle. (an equilateral triangle has three equal sides.) If one side of the square is 45 feet, find the length of the sides of the triangle. 2x + 3 = 45 2 x + 3 -3 = 45 + 2x 2x + 45 ___ __ = x 2...

**algebra**

1).Map. On a map, the coordinates of the corners of a town are A(0.5),B(2,3.5), C(5,1.5), and D(3,1) The map is dilated so that the perimeter of the town is five times its original perimeter. Find the coordinates of C. a. (25,7.5) b. (1,0.3) c. (25,1.5) d. (10,6.5) 2).Trangle ...

**Math**

The perimeter of a rectangle equals the sum of the length of its four sides.If the width of the rectangle if 7 inches and its perimeter is 48 inches, what is the length of the rectangle?

**Algebra**

A square and an equilateral triangle have the same perimeter.Each side of the triangle is 5 inches longer than each side of the square. What is the perimeter of the square.

**Maths**

Here is a right- angled triangle. |\ | \ x | \ |___\ x - 2 All measurements are in centimetres. The area if the triangle is 2.5cm^2. Find the perimeter of the triangle. Key values: Equation for area: ? - __(___) = ? ? Quadratic equation: -b ± √b^2 - 4ac ------------- 2a ...

**math**

four square tables are arranged next to each other to form one large rectangular table.the perimeter of the large rectangular table is 20m.what is the perimeter and area nof each square table?

**algera help plzzzz**

In the diagramâ€‹ below, what is the relationship between the number of pentagons and the perimeter of the figure theyâ€‹ form? Represent this relationship using aâ€‹ table, words, anâ€‹ equation, and a graph. Let x=the number of pentagons. Let y=the ...

**math**

A regular hexagon is drawn inside of a circle so that each of its vertices touches the circle. The diameter of the circle is 4 centimeters and the perimeter of the hexagon is 12 centimeters. How much longer is the circumference of the circle than the perimeter of the hexagon...

**Math**

Tory has two similar picture frames in her bathroom the ratio of the larger picture frame to the smaller picture is 5:2 if the perimeter of the smaller picture is 30 in what is the perimeter of the bigger picture frame

**Math**

In any angle ABC prove that the perimeter = a/Sin A(Sin A + Sin B + Sin C) Start with perimeter = a+b+c but b= aSinB/sinA and c= aSinC/SinA and if you don't remember, a=a=a*SinA/ SinA

**math**

GEOMETRY The formula for the perimeter of a rectangle is P = 2 + 2w, where is the length and w is the width. A rectangle has a perimeter of 24 inches. Find its dimensions if its length is 3 inches greater than its width.

**Maths**

Perimeter of rectangle is 240cm if it's length is decreased by 10 percent and breadth is increased by 20 percent we get the same perimeter find the length and breadth of the rectangle

**math**

If square ABCD has a larger area than rectangle EFGH, does it follow that ABCD must have a perimeter larger than that of EFGH? Why or why not? I believe it will have a larger perimeter that the other, is this correct?

**Algebra**

represent the relationship between the number of triangles and the perimeter of the figures they form. fill in table below. triangle 1: 6-6-5(b) triangle 2:6-6-5(b)&(H) triangle 3: 6-6-5 (b)-5 (B) 5 (h) fill in number of triangles-1, 2, 3, and perimeter they have? Help

**Math**

The sides of a rectangle are x and 3-2x.Express the rectangle's area as a function of x.Express the rectangle's perimeter as a function of x. Explain why x cannot equal 2. Area= L x W A= x (3-2x) A= 2x^2 + 3x Perimeter= 2(L + W) P= 2(x+3-2x) P= 2(3-x) P= 6-2x Would saying that...

**geometry**

In the accompanying diagram, triangle ABCis similar to triangle DEF, AC = 6, AB = BC = 12, and DF = 8. Find the perimeter of triangle DEF. it an isoslese triangle 6 and 8 are both base my work 6+2=8 12+2=14 2(14)+6=p 24+6=28 I don't understand how to find the...

**math**

Write the following formula (for any triangle abc): - The minimum perimeter value of any triangle (abc) known heights corresponding to the sides a and b. x = side a height (known) y = side b height (known) p = perimeter (unknown) Note: You don't have the area value or any ...

**math**

Bernie put in a garden in her back yard. The garden has a perimeter of 199 feet. She wants to know the total surface area of the garden and all she knows is the perimeter and that the width is 20% or (1/5) of the length. (Remember 20% and the fraction 1/5 is the same decimal ...

**help asap!!**

Bernie put in a garden in her back yard. The garden has a perimeter of 213 feet. She wants to know the total surface area of the garden and all she knows is the perimeter and that the width is 20% or (1/5) of the length. (Remember 20% and the fraction 1/5 is the same decimal ...

**Mathematics-please help quick!!**

The lenght of a rectangle is 10cm greater than its width. The perimeter of the rectangle is 1m. A.Find the simplest expression for the perimeter for the rectangle if the width is x.B. Find the width of the rectangle. C. Calculate the area of the rectangle. Answers: A=20+x .B=...

**Mathematics-please help quick!!**

The lenght of a rectangle is 10cm greater than its width. The perimeter of the rectangle is 1m. A.Find the simplest expression for the perimeter for the rectangle if the width is x.B. Find the width of the rectangle. C. Calculate the area of the rectangle. Answers: A=20+x .B=...

**Math**

7. Which of the following is a true statement? (1 point) It is possible for two rectangles to have the same area, but only if they also have the same perimeter. It is possible for two rectangles to have the same area without having the same perimeter. It is possible for two ...

**unknown fractions**

Is there an easier way to solve the following problem without going through 100 guesses trying to find two numbers that total de area and the perimeter. ps I'm the mom trying to explain to my kid The perimeter of a rectangular banner is 72 inches. The width of the banner is 1/...

**Maths**

Draw a rectangle of perimeter 30cm and length of sides in the ratio 1:2.draw two more rectangles of the same perimeter with the length of sides in the ratio 2:3 and 3:7 compute the areas of all three rectangles?

**Geometry**

The perimeter of a Triangle(MNO) is equal to the perimeter of square ABCD. If the sides of the triangle are represented by 4x+4, 5x-3, and 17, and one side of the square is represented by 3x, find the length of a side of the square.

**Algebra**

The deck around a swimming pool has the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck

**math**

a swimming pool has an area of 40 square metres and a perimeter of 26 metres what is the length and width of the swimming pool and is it possible for a pool to have the same area but a larger perimeter?

**math helpp!!!**

Bernie put in a garden in her back yard. The garden has a perimeter of 265 feet. She wants to know the total surface area of the garden and all she knows is the perimeter and that the width is 20% or (1/5) of the length. (Remember 20% and the fraction 1/5 is the same decimal ...

**math quick help**

Bernie put in a garden in her back yard. The garden has a perimeter of 195 feet. She wants to know the total surface area of the garden and all she knows is the perimeter and that the width is 20% or (1/5) of the length. (Remember 20% and the fraction 1/5 is the same decimal ...

**Grade 6 math**

Draw an equilaterla triangle. Divide each side in half and join the points to make four small equilateral triangles. Rearrange these four equilateral triangles into a parallelogram. Compare the perimeter of the original triangle with the perimeter of the parallelogram. Explain...

**Alg. I**

A rectangle has a length of 6x^3 y^2 - 1 and a width of 3xy + 2. The formula for the perimeter of a rectangle is P=2l + 2w, where l is the length and w is the width. What is the perimeter of the rectangle? Simplify your answer.

**Math**

Part 2: Once the tiles were laid, mahogany floor trim was installed around the perimeter of the floor. The trim cost $11.85 per foot. Determine the perimeter of the room and the total cost of the floor trim that was installed

**math**

if the width of a rectangle is 5 inches shorter than the length and the perimeter of the rectangle is 80 inches. how do you set up the equation for the perimeter involving only L and how do you solve this in a linear equation algebraically to find the length and the width

**math**

The length of a rectangle is twice the width. If the length is increased by 6, and the width is doubled, a new rectangle is formed whose perimeter is 20 more than the perimeter of the original rectangle. Find the dimensions of the original rectangle.

**calculus II**

Suppose R is the region in the plane enclosed by y = x2 and y = 4. a) Compute the perimeter P and area A of R, and then compute the ratio Q = A/P2. Note By squaring the perimeter the ratio becomes independent of the units chosen to measure the region. b) Compute this ratio Q...

**Math**

Use a centimeter ruler and separate sheet of paper to draw am 8 cm. by 6 cm. rectangle. List its perimeter on the table below. Then cut out the rectangle and also cut along the diagonal as shown below in the picture. Use the your two pieces to create 4 new geometric shapes. ...

**math**

the length of a rectangle is 5 ft more than twice the width. a)if x represents the width of the rctangle, represent the perimeter of the rectangle in terms of x. b) if the perimeter if the rectangle is 2 ft more than eight times the width of the rectangle, find the dimensions ...

**math**

The area of a rectangle is 100 sq. in. The perimeter of the rectangle is 4o in. A second rectangle has the same area but a different perimeter. Is the second rectangle a square? Explain why or why not.

**math**

the perimeter of a rectangle is twice the sum of its length and its width. the perimeter is 40 meters and its lenth is 2 meters more then twice its width. what is the length?

**math**

the perimeter of a rectangle is twice the sum of its length and its width. the perimeter is 40 meters and its lenth is 2 meters more then twice its width. what is the length?

**geometry**

If the length of a rectangle is twice its width, w, write an expression to represent the perimeter of the rectangle. If the perimeter of the rectangle is 72 inches, what is the length and width of the rectangle?

**math**

The width of the rectangle is half its length and the perimeter is 42m.caculate the area of the rectangle.find the width and length of perimeter and area.

**Algebra**

I think I have the correct equation, but can someone please double check and tell me if I am correct. Scenario: Suppose that the width of a rectangle is 5 inches shorter than the length, and that the perimeter of the rectangle is 50. Question: Set up an equation for the ...

**Math**

If a triangl if a triangle triangle has a perimeter of three units with a row of two connecting triangles the parameters for units what is the perimeter of a row of Tronic 20 triangles triangles

**geometry**

The perimeter of a triangle, its area, and the radius of the circle inscribed in the triangle are related in an interesting way. Prove that the radius of the circle times the perimeter of the triangle equals twice the area of the triangle.

**Math**

The length of each side of an equilateral hexagon is a whole number, and the length of each side of an equilateral octagon is a whole number. Both have the same perimeter. The perimeter must be a multiple of 16 ,18, 24,30 or 36 ?

**algebra**

Jeff made some designs using equilateral triangles, as shown bellow. He noticed that as he added new triangles, there was a relationship between the number of triangles, and the outer perimeter of the design. If the pattern is continued, what would be the outer perimeter of a ...

**geometry**

Large triangle (30¢X, 60¢X, and 90¢X), the base is 15 feet. and small triangle (30¢X, 60¢X, and 90¢X) the above two triangle the ratio of the perimeter of the large triangle to the perimeter of the small triangle is ¡Ô3. Determine the area of the small triangle rounded...

**geometry**

Large triangle (30¢X, 60¢X, and 90¢X), the base is 15 feet. and small triangle (30¢X, 60¢X, and 90¢X) the above two triangle the ratio of the perimeter of the large triangle to the perimeter of the small triangle is ¡Ô3. Determine the area of the small triangle rounded...

**Geometry**

One side of a triangle is x inches longer than another side. The ray bisecting the angle formed by these sides divides the opposite side into 3-inch and 5-inch segments. Find the perimeter of the triangle in terms of x. ( triangle angle bisector theorem) Let y be the small ...

**Math**

A semicircular shape is in a (fills it) rectangle. If the perimeter of the rectangle is 30 cm, fine the perimeter of the semicircular shape.

**Math**

Which of the following is a true statement? it is possible for two rectangles to have the same area, but only if they have the same perimeter. It is possible for two rectangles to have the same area without having the same perimeter. *** It is possible for two squares to have ...

**grade six math**

Draw an equilateral triangle. Divide each side in half and join the points to make four small equilateral triangles. Rearrange these four equilateral triangles into a parallelogram. Compare the perimeter of the original triangle with the perimeter of the parallelogram. Explain...

**MATH**

The ratio of the perimeter of triangle KLM to the perimeter of triangle PQR is 5/3 and LM is 4 less than twice QR. Find LM and QR, if Triangle KLM~Triangle PQR. Can someone solve this in ratio and proportion method? Thanks.

**math**

The apothem of a regular polygon is the distance from the center to any side. If the length of the apothem remains constant at 10 inches, the formula for the perimeter of a regular polygon as a function of the number of sides is ( ) ( )( ). As the regular polygon changes from ...

**Math**

The width of a rectangle is fixed at 16 cm. What lengths will make the perimeter greater than 78cm? Would the answer be 23 because 16*2+23*2=78cm or would the answer be 24. Because the perimeter is greater than 78cm

**algebra**

The width of a rectangle is three fourths the length. The perimeter of the rectangle becomes 50 cm when the length and the width are each increased by 2cm. Find the length and the width. Draw a diagram and convince yourself that the perimeter P=2(L+W) We're told that W=(3/4)L...

**math**

the base of an isosceles triangle i 5 and its perimeter is 1. the base of a similar isosceles triangle is 10. what is the perimeter of the larger triangle? 1 15 2 21 3 22 4 110

**calculus**

A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 30ft, find the dimensions of the window so that the greatest possible amount of light is admitted. I keep screwing up in creating my equation. p = perimeter of window l...

**maths**

the perimeter of a rectangle is 340 cm.if its length is decreased by 10% and breadth is decreased by 20% .we get the same perimeter.find the length and breadth of the rectangle.

**math**

Thomas has a letter he wants to send to his girlfriend. the total perimeter of the blue stamp and envelop is 50 cm. the ratio between them is 1:4. What is the perimeter of the stamp? So I know that I need to let x be the width of the stamp and the width of the envelope be 4x. ...

**Algebra**

Please help me to solve this Radical Expressions and equations word problem. Here is the question: Surveying. The length of each lot line of a swimming pool complex is shown. Find the exact perimeter of the irregular shaped lot. Then approximate the perimeter to the nearest ...

**Maths**

A rectangle has legth & width in the ratio of 3:2.If the length is increased by 8 & width is increased by 50%.The ratio of new perimeter to origial perimeter is 8:5.Find the area of new rectangle.

**Geometry**

We have a 17 by 20-foot garden. We want to pour cement for a sidewalk 3 feet wide around the garden. To make the forms for the cement, we will need to buy some 2 by 4 inch lumber. How many feet of 2 by 4 inch lumber will we need just for the perimeter of the walk? (Consider ...

**Measurements**

how do you solve this Area of a polygon: A=1/2aP Perimeter: P=ns It is a hexagon (6 sides) the sides measure 8cm therefore I have a perimeter measuring P=6(8)=48 RIGHT? and for the area I have A=1/2 the apothem= 4 square root of 3 and the P= 48 so, A=1/2(4 square root of 3)48...

**geometry**

The perimeter of the rectangle is 19 inches. The perimeter of the inscribed triangle is also 19 inches. What is the width of the rectangle? What is the lengths of the rectangle? sides of isosceles triangle = leng of rectangle + 2 base = width of rectangle

**Algebra**

The perimeter of a rectangular garden is 35 feet. The length of the garden is 1 foot more than 2 times its width. Write an equation to represent the perimeter of the garden in terms of its width (w). What are the length and width of the garden in feet?