# area, perimeter

20,276 results, page 31

### math

constract a triangle whose perimeter is 12.5cm and base angles are 60degree and 80degree?

### algebra g

You know the perimeter of a square to be 8 meters. Find the length of one side. How do you set up the formula

### algebra

Find the perimeter of the triangle whose vertices are the following specified points in the plane? (0,-3), (-2,1) and (-4,6)

### maths

ABC is an isoscelea triangle with AB =AC and its perimeter is 64cm .the altitude from A to BC is 24cm.find the length of AC and BC?

### Math

draw a figure with the given perimeter on the grid paper 10 units 3rd grade

### Math

Mrs. Young's tennis court is a rectangular that is 30 feet wide by 70 belong what is the perimeter

### Algebra

The perimeter of a rhombus is 80 centimeters. The lengths of its diagonals are in the ratio 3:4. Find the length of each diagonal.

### Maths

Let the width and the length be real numbers. The perimeter remains constant 24. Draw the graph for 1 < w < 11

### Math

Find the length of the shortest side of triangle ABC drawn given that the perimeter is 22. A=3x+1 B=2x+1 C=x+4

### calculus

The graph of f'(x) is shown for 0=< x =<10. The areas of the regions between the graph of f' and the x-axis are 20, 6, and 4, respectively. I'm going to describe the graph of f' since I can't post pictures. The first section of the graph goes up (like the sin function) ...

### math-word problems with quadratics

I have 5 questions... 1) The sum of two numbers is 12. Their product is 36. Find the two numbers. 2) The sum of two numbers is -15. Their product is -100. Find the two numbers. 3) The sum of two numbers is -8. Their product is 12. Find the two numbers. 4) The length of a ...

### calculus

Consider the straight line: y=1x+3. Calculate the area UNDER this line which is bounded by y=0, x=8 and x=15. (That is, the area from the horizontal axis (y=0) to the line, between the values of x=8 and x=15.) Give you answer to the nearest whole number, rounding up

### algebra

mang pedring wanted to construct a square table such that the length of its side is 30 cm longer than its height. What expression represents the area of the table? Suppose the table is 90 cm high what would be the area?

### MATH Please help!

A right triangle has an area of 13^2. The dimensions of the triangle are increased by a scale factor of three. What is the area of the new triangle? a. 39^2 b. 169^2 c. 117^2 d. 142^2 i think the answer is A but i am not sure! any help is appreciated

### math

a poster is 25cm taller than it is wide. it is mounted on a piece of cardboard so that there is a 5cm border on all sides. if the area of the border alone 1350cm^2, what are the dimensions of the poster? It is almost a must to draw a diagram but I can't do that on the computer...

### MATH

_________________________________ 1. Use a formula to find the surface area of the square pyramid. (H.6ft.)(W.3ft.)(L.3ft.) A. 45 ft B. 81 ft*** C. 36 ft D. 72 ft _________________________________ 2. Find the lateral area of the pyramid to the nearest whole unit. (H.22)(W.8)(L...

### chemistry

The total surface area of earth is about 1.97*10^8 square miles. the surface area of land on earth is about 5.73*10^7 square miles. find the ratio of the surface area of land to the entire planet.?

### Physics (Stress & Strain)

A uniform bar 1.900m in length and having a cross sectional area of 10.500cm^2 is subject to a loading of 5550.000N. This load causes an extension of the bar length of 1.100mm. Calculate the stress and strain produced. Stress = Load/ Area Strain = Change in length/ length ...

### geometry

Can someone check my work please? What is the area of the figure below? 18 in² 30 in² 36 in² (my choice) 60 in² What is the area of the figure below? 31.5 m² 63 m² (my choice) 84 m² 126 m² What is the value of h? 9.6 units 26.7 units (my choice) 48 units 96 units What ...

### Math

The area of Square A is 36 square cm.The area of Square B is 16 square cm.What is the ratio of the area of Square B to the area of Square A.?

### math

Two corresponding sides of similar polygons are in the ratio of 8:7. If the area of the smaller figure is 512 square meters, what is the area of the larger figure? A) 3584 m B) 134,217,728 m C) 392 m D) Not enough information given

### Algebra

Swimming space. The length of a rectangular swimming pool is 2x-1meters, and the width is x+12 meters. Write a polynomial A (x) that represents the area. Find A (5) Answer: Area=(2x-1) (x+12)sq m A=2x(x+12)-1(x+12) =2x^2+24x-x-12 =2x^2+23x-12 sq m X=5 A=(2(5)-1) (5+12) =9*17 =...

### geometry

You have 32 feet of fencing and want to determine the maximum area that can be enclosed with the fencing to make a flower garden. You do not want to deal with fractions or decimals, so you are limiting the dimensions to whole numbers. Also, the area is to be rectangular (or ...

### Physics University

If a completely cylindrical bar with a mass of 5000kg is flung into a wall with a surface area of 500un^2 and is morphed into a square at 50NMC/m at 40 degrees tangent to the area of initial impact. What is the length of the sides?

### Geography

What is the name given to the vast rural area in the center of the Australian continent? What natural features explain the very sparse population of this area? Please help i'm very confused and all the websites have different info.

### trigonometry and geometry

A car dealership fences in a rectangular area behind their building to secure unsold vehicles. One length will be the back wall of the dealership. What is the maximum parking area that can be created if they have 2 km of fencing to use?

### Math

A farmer has 36 feet of fence to build a pigpen. He is going to use one of the sides of his barn as a side to the rectangular enclosure. Determine a function A that represents the total area of the enclosed region. What is the maximum area that can be enclosed?

### Algebra

A rectangular pen with one side along a river will be bounded by a fence on the other three sites. If 600m of fence are available, what the dimensions of the rectangle should be in order to enclose maximum area and how much this area is?

### fire dynamics

11. Suppose 3,500 gallons of gasoline spill into a banked up area that measures circular area that is 10ft in diameter. If the fuel’s vertical burning rate is 6 in/hour, how long will the fire last if it is left unattended?

### geometry

Open that link please please help me with my assignments 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 respectively. find the area of triangle aef 2. equialateral triangle abc has an area of square root of 3 and side of length 2. point...

### chemistry

How do you solve this problem? In a certain industrial process involving a heterogeneous catalyst, the volume of the catalyst (in the shape of a shpere) is 10.0cm^3. Calculate the surface area of the catalyst. IF the sphere is broken down into eight spheres, each having a ...

### English

1. Let's go around this area once more. 2. Let's walk around this area once more. 3. Let's get around this area once more. 4. Let's detour this area once more. -------------------- Do they have the same meaning? Can we use #3? Does #1 have the same meaning as #4?

### ALGEBRA 1 HELP

Your hole punch makes holes in your that have diameter of 4^-1 inch. a.Write an expression for the area of one punched hole. Use the formula for the area of a circle A=:r^2. (: is pi sign) b.Your hole punch makes three holes in a page . Write an expression for the total area ...

### see if this is correct

If the area is x2 + 5x + 6m2 and we know the area is a square which is base times height, we can factor the equation so that it comes out to (x+3)(x+2) since the height is x+3 then we know the base has to be x+2

### Mathematics

The surface area of a piece of gold is directly proportional to the square of its weight. By what ratio should the weight be adjusted so as to double the surface area.

### calculus

consider the area enclosed between the curves f (x) = x2 and g (x) = 4x what is the volume obtained by revolving the area between these two curves around the line y = 20 ? please help, i don't know what to do

### calculus

consider the area enclosed between the curves f(x)=x^2 and g(x)=4x what is the volume obtained by revolving the area between these two curves around the line y=20 ? please help, i don't know what to do

### College Math ll

Area of a painting A rectangular painting with a width of x centimeters has an area of x^2 + 50x square centimeters. Find the binomial that represent the length

### math

Area of a trampoline is 201.1 square feet. The safety padding around the jumping surface is 1 foot wide. What is the area of the jumping surface?

### calculus II SURFACE AREA Integration

Find the exact area of the surface obtained by rotating the curve about the x-axis. y = sqrt(1 + 5x) from 1 ≤ x ≤ 7

### math

Alan's room has an area of 18 square feet. He is planning to buy another rug twice as long and twice as wide.What is the area of the new rug?

### college algebra

A rectangle is bounded by the x-and y- axes and the graph of y = -1/2x + 4. a.) Find the area of the rectangle as a function of x. b.) Complete the following table x area 1 2 4 6 7 c.) What is the domain of this function?

### college algebra

A rectangle is bounded by the x-and y- axes and the graph of y = -1/2x + 4. a.) Find the area of the rectangle as a function of x. b.) Complete the following table x area 1 2 4 6 7 c.) What is the domain of this function?

### math

find the area of a triangle with the base 1 1/4 and height 4/9 ( Hint the area of a traingle is equals half the product of its base and height ) I came up with .55 or 11/20 is this correct ???

### Art

Can you check these sentences, please? 1) You are forbidden to enter this area. You mustn't enter this area. 2) It wasn't necessary for John to go to work because it was Sunday. He didn't have to go to work.

### MATH

IF YOU DIVIDE PARK A(656 AREA SQ MI)INTO 32 EQ.PARTS, EACH CONTAINING A WHOLE # OF SQ. MI. HOW LARGE WOULD EA. PART BE? HOW LARGE WOULD THE REMAINING AREA BE?

### Calculus

if the surface area of a sphere is given by the formula SA=4pir^2, find the rate of increase of the surface area if the radius is 4 cm and is increasing at the rate of 0.5 cm/min.

### algebra

Marcus has 72 feet of fencing. He wants to build a rectangular pen with the largest possible area. What should the dimensions of the rectangular pen be to maximize the area?

### Calculus Area between curves

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 3y+x=3 , y^2-x=1

### math

A triangle has an area of 15 cm^2 and a base of 5 cm. If a circle is drawn with a diameter equal to the length of the triangle's height, what is the area of the circle ? a. 6 pi cm^2 b. 9 pi cm^2 c. 12 pi cm^2 d. 18 pi cm^2 e. 36 pi cm^2 please answer and explain

### geometry

The perimeters of 2 similar polygons are 12 and 16. 1. What is the ratio of the lengths of 2 corresponding sides? 2. What is the ratio of the areas? 3. If the area of the smaller polygon is 54 what is the area of the larger polygon?

### Geometry - Area

Find the area of a regular hexagon with an apothem 10.4 yards long and a side 12 yards long. Round your answer to the nearest tenth.

### SBVC

The formula for the area of a parallelogram is A = bh. The area of the parallelogram in the illustration is 300 square centimeters. If its base is three times its height, how long is the base?

### calculus

The surface area, S, of a sphere of radius r feet is S = S(r) = 4πr2. Find the instantaneous rate of change of the surface area with respect to the radius r at r = 2. (4 points)

### technology

A hydraulic lift system has an input piston with an area of 0,5 m2 and an output piston whith an area of 2 m2. What force is needes to lift a load of 1000 N?

### st josheph academy

A cuboid has total surface area 149square meter and lateral surface area is 135 square meter.find its base

### AP Calculus AB

Which integral gives the area of the region in the first quadrant bounded by the axes, y = e^x, x = e^y, and the line x = 4? The answer is an integral. I know y=e^x has no area bounded, but I don't know how to incorporate it all.

### Geometry

The lateral area of a cylinder is 28 pi in^2. All of the dimensions are changed by the same factor and the new lateral area is 448 pi in^2. What was the dimensional factor change

### Prealgebra

Find the surface area of the prism. Round to the nearest tenth if necessary. The three sides are all 8.1 inches, the area of the base is 28.4 inches^2, and 12 inches is the length. It's a,b,c, or d. A. 348.4 in^2 B. 320 in^2 C. 291.6 in^2 D. 251.2 in^2

### Mathematics

Mary wants to build a fence around a rectangular area for a garden. She has 150 ft of fencing and she wants to leave 10 ft opening on side for a gate. In order to make a area of the garden. A maximum what should the dimensions of the garden will be?

### math

make triangles and find the area of those triangles and then add em together. I need to find the area of a polygon,breaking into simpler parts. how do you do it?

### 6th grade

write an expression for the area of this rectangle 20cm on the top 4cm on the right at the top and 8cm on the left.evaluate your expression to find the area.

### Math(Urgent Please help)

Find the area of the parallelogram that has the vectors as adjacent sides. u = i + 2j + 2k V = i + k I know that the magnitude of the cross product results on the area. After I do the cross product then what to I do?

### science/math

sandy made a drawing of a rec tangle to show the area of the library. what is the area ,in square yards of the library? what stands for (1) square yard

### Math

Jason is building models in the shape of rectangular prisms. The smaller model has a surface area of 35" sq. and a scale factor of 6. What is the surface area of the larger model?

### programming

Write a program that asks for the length and width of two rectangles. The program should tell the user which rectangles has the greater area, or if the area are the same.

### math

If you have a trapezoid that is divided into two triangles to find the area would you find the area of each triangle then add the two areas together?

### College Geometry

A circular grassy region with a 12 ft diameter has a 2ft by 3ft reflecting pool in its center. What is the Surface Area of the reflecting pool? What is the Area if the grass?

### calculus

A rectangle is bounded by the x-axis and the semicircle y = ¡Ì36 ¨C x2, as shown in the figure below. Write the area A of the rectangle as a function of x, and determine the domain of the area function.

### physics

the small piston of a hydraulic press has an area of 7.0 cm squared. if the applied force is 30.0 N, find the area of the large piston to exert a pressing force of 4000 N

### 8th grade math

Two towers are similar. The area of the larger tower is 400 pi ft^2 and the area of the smaller tower is 169 pi ft^2. What is the ratio of the heights of the towers?

### math

how do we find the surface area? top: bottom: right: left: front: back: its still hard when we i find the surface area of a rectanguar prism.

### algebra

The area of a rectangle remains unchanged when it is made 5cm shorter and 5cm wider or when it is made 2cm longer and 1cm narrower. Its area, in square cm, is:

### MATH

The area of a rectangle remains unchanged when it is made 1cm shorter and 1cm wider or when it is made 8cm longer and 4cm narrower. Its area, in square cm

### math

a square has an area of 169 square centimeters. find the area of the largest circle that could be drawn inside the square. round your answer to the nearest square centimeter.

### math

Find the area of the segment of the circle. Leave your answer in terms of pi. there is a circle with a shaded area that has a 90 degree triangle in it and a 3 next to one soide of the triangle

### Math

"Find the area of a rhombus with sides of length 10 in. and longer diagonal of length 16 in." and Also, how do you solve the problem "Find the area of a regular decagon with radius 4 cm."

### Geometry

Two cubes of volumes 8 and 27 are glued together at their faces to form a solid with the smallest possible surface area. What is the surface area of the resulting solid?

### Sixth Grade Math

To find the surface area of a box, add the areas of the faces: 2(lw) + 2(lh) +2(wh). What is the surface area of the box below? H=8m W=5m L =11m My answer is 366m.

### math

The cylindrical bar is 20 cm long and has a diameter of 7 cm. Each side of the cube is 9 cm long. The surface of the solid was painted, what area in area in cm2 was painted? (Take π

### math

The surface area of a rectangular prism is 729 square meters. What is the surface area of a similar prism that has edge lengths that are larger by a scale factor of 3

### Maths

(1) A cone has height of 8cm and circular radius 6cm calculate (a) It's Volume (b) It's Slant Height (c) The Curved Surface Area (d) The Total Surface Area

### Calculas-Differentiation

The area,Acm^2, of a blot of ink is growing such that after t seconds,it is given by A=3t^2+1/5t. Find the rate at which the area is changing after 2 seconds.

### math

BC is a chord of a circle with center O and area 48pi. Point A is inside BCO such that ABC is equilateral and A is the circumcenter of BCO. What is the area of triangle ABC

### math

the circumference of s sphere is measured to be 10 cm with an error of 0.4cm.the this radius is used to calculate the area and volume.find the errors in the calculated radius,area and volume

### ap calc

Each of the following parts relates to finding the area underneath the curve , from x = 1 to x = 3. D. Set up, but do not solve, the Riemann Sum which expresses the exact area underneath the curve.

### Chem Help Please!

In most cases with GLC the area under the peak as a % of the total area for all peaks is interpreted as representing the % mass of the compound measured in the mixture. Explain why this is only an approximation. I've tried to find the answer online but couldn't so can someone ...

### More Algebra - Dividing Radicals!

A hotel wants to put a fence around a circular spa. The radius of the spa is 5/(√2-1)feet. If the fence is built along the immediate edge of the spa, what is the perimeter of the fence? (Recall that the perimeter of a circle is 2πr, where r is the radius of the ...

### Math

Use the definite integral to find the area between the x-axis over the indicated interval. f(x) = 36 - x^2; [-1,13] So, what does be the area between the x-axis and f(x) equal? Thank you for any help! I'm really confused with this problem!

### 8th grade

Write a polynomial expression in simplest form that represents the difference between the area of the larger rectangle and the area of the smaller rectangle. Then find the difference when x=4.

### algebra

Area of a painting. A rectangular painting with a width of x centimeters has an area of x2 50x square centimeters. Find a binomial that represents the length. See the accompanying figure.

### geometry

ABCD is a square with area =625 in square. The circumfrence centered in circle is circunscribed by ABCD. Find the approximately value of the shaded area. Use pie = 3.14

### Algebra

Area of a painting. A rectangular painting with a width of x centimeters has an area of x^2+50x square centimeters. Find a binomial that represents the length. See the accompanying figure.

### pre algreaba

Justin wants to use 188 ft of fencing to fence off the greatest possible rectangular area for a garden. What dimensions should he use? What will be the area of the garden?

### Math, Gr 10

A rectangular field is to be enclose by 800 meters of fencing and the fourth side with be along the side of a barn. A) What dimensions will give the maximum area? B) What is the maximum area?

### geometry

if a picnic area is located at the midpoint between sacramento and oakland fidn the distance to the picnic area from the road sign roseville 5 sac 23 oakland 110

### math

If the area of a circle is twice the area of a triangle whose base is 4 pi and whose altitude is 4, the radius of the circle equals a. square root 32 b. 2 c. 4 d. 8 e. 32 please answer and explain

### math

If the area of a circle is twice the area of a triangle whose base is 4 pi and whose altitude is 4, the radius of the circle equals a. square root 32 b. 2 c. 4 d. 8 e. 32 please answer and explain

### Calculus

The region R is bounded by the x-axis, x = 1, x = 3, and y = 1/x^3 A) Find the area of R B) B. Find the value of h, such that the vertical line x = h divides the region R into two Regions of equal area.