Tuesday

September 2, 2014

September 2, 2014

Number of results: 6,559

**Math**

Why wonâ€™t a regular octagon tessellate the plane by itself? Describe a combination of a regular octagon and another regular polygon that will tessellate the plane.
*February 7, 2010 by Crystal*

**math**

A regular pentagon and a regular octagon cannot tessellate on their own correct?
*June 9, 2010 by april*

**Geometry**

Will an octagon and an isosceles triangle tessellate a plane?
*April 28, 2011 by Micah*

**math**

15. which of the following figures will not tessellate the plane? a. rhombus b. equilateral triangle c. regular hexagon d. regular pentagon
*April 18, 2014 by Anonymous*

**geometry**

Why does a regular pentagon not tessellate the plane?
*October 24, 2009 by jeng*

**Geometry**

Will a non-regular acute triangle tessellate the plane?
*October 12, 2009 by jj*

**math**

Will a non-regular acute triangle tessellate the plane? How do you know?
*October 14, 2009 by jj*

**geometry**

Name three regular polygons that will tessellate the plane
*October 24, 2009 by jeng*

**geometry**

Name three regular polygons that will tessellate the plane
*October 24, 2009 by jeng*

**Geometry**

Why is it impossible for a regular polygon with more than six sides to tessellate the plane?
*December 11, 2009 by Jackie*

**Math**

Why is it possible for a regular polygon with more than six sides to tessellate the plane?
*January 7, 2010 by Michelle*

**Geometry**

The area of a regular octagon is 25. What is the area of a regular octagon with sides five times as large as the sides of the first octagon?
*April 7, 2011 by Hannah*

**Geometry**

Can some one please help me I'm stuck in this question. Why does a regular pentagon not tessellate the plane?
*August 14, 2009 by Melissa*

**Geometry**

The area of a regular octagon is 35 cm². What is the area of a regular octagon with sides three times as long?
*April 2, 2012 by Samuel*

**Trig-Algebra help asap**

A regular octagon is inscribed in a circle with a radius of 5 cm. Find the area of the octagon.
*March 12, 2012 by Missy*

**math**

The perimeter of a regular octagon is p. write an expression that represents the length of one side of the octagon?
*February 20, 2013 by andrew*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?
*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?
*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?
*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?
*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?
*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?
*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?
*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?
*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?
*November 24, 2011 by Lian*

**geometry**

The area of a regular octagon is 35 cm2. What is the area of a regular octagon with sides six times as long? so do you times this by 6?
*January 12, 2012 by cindy*

**trig**

In a regular octagon, AB is a diagonal and CD joins the midpoints of two opposite sides. The side length of the octagon is 4 cm. To the nearest tenth of a cm. find a)AB and b)CD. I'm stumped.
*January 15, 2009 by Cathy*

**geometry**

Why is it impossible for a regular polygon with more than six sides to tesselate the plane? I know it has something to do with the angles, but I'm not sure what to write for this. 3 hexagons tesselate the plane and they have angles at 120, but why can't an octagon? Why is it ...
*December 12, 2009 by Lauren*

**Geometry**

tha area of a regular octagon found by decomposing the octagon into a rectangle into trapezoids is ________ m2
*April 10, 2014 by David*

**jfk high school**

if one side of a regular octagon is represented by 2x-1, the perimeter of the octagon can be represented by what?
*November 22, 2011 by gabby*

**statistics**

What is your conclusion based on the following data? A survey was conducted to study the effects of weight loss from a low fat diet. Two random samples of 100 people each were selected. One group was put on the low fat diet and the other group on the regular diet. The weight ...
*June 22, 2013 by jerry*

**math**

How many sides does a regular octagon have, and what do we know about its sides and angles I think a octagon has 8 sides but I don't know about the angles...I'll go and look it up and if I find out I'll post it I found on wikipedia that it's internal angle's are 135o Check ...
*August 3, 2007 by Anonymous*

**Geometry**

Will any kite tessellate the plane? why or why not?
*October 24, 2009 by jj*

**Math**

What must be true for a pentagon so that it will tessellate a plane?
*March 23, 2010 by Lyndse*

**maths**

a regular dodecagon has a side lenght of 5.6cm find the side lenght of a regular octagon that has the same perimeter?
*December 6, 2011 by holly*

**Math--Area**

Find the area of each regular polygon to the nearest tenth. Octagon with side length of 10 kilometers. Heres what I tried; but I don't know if im on the right track. Area=1/2 * Perimeter* Apothem Perimeter=base of octagon* number of sides Perimeter=10*8=80 km. SO A=40a (1/2 of...
*April 4, 2007 by natalie*

**geometry**

if you have a regular octagon with a side 7, what is the area?
*January 22, 2009 by aneme*

**Math**

find the perimeter of a regular octagon with sides of 5.5cm.
*October 18, 2010 by Jerrry*

**math**

A square whose side is 2m has it's corner cut away so as to form a octagon with all sides equal find the length of each side of octagon and also find the area of the octagon?
*September 10, 2012 by TUHITUHI*

**geometry**

find the ara of a regular octagon inscribed in a circle with a radius of 1 cm.
*March 5, 2008 by ashley*

**geometry**

find the ara of a regular octagon inscribed in a circle with a radius of 1 cm.
*March 5, 2008 by ashley*

**Math**

find the are of a regular octagon whose sides are 12cm long.
*May 25, 2008 by Tareena*

**math**

find the are of a regular octagon whose sides are 12cm long.
*May 26, 2008 by Tareena*

**geometry**

what is the perimeter of a regular octagon whose sides are 9.4 centimeters long.
*February 23, 2011 by Aaron Penley*

**geometry**

The measures of all angles in a regular octagon are (4x + 12)°. how would you find the value of x?
*October 4, 2010 by daerius*

**geometry**

if a regular octagon has a perimeter of 264 centimeters, what is the measure of each interior angle and each side?
*February 24, 2010 by Trevor*

**Geometry **

(1) Construct a regular hexagon 55mm across the flat. Within it inscribe the largest possible isoscelence triangle having it base 40mm long across the flat. (2) Construct a regular octagon within the following direct 45mm across the flat, 50mm across the cornes. (3) construct ...
*March 31, 2012 by Christopher*

**Algebra**

What is the measure of each of the interior angles of these regular polygons? a) pentagon b) octagon c) dodecagon How would I figure this out?
*March 10, 2009 by Cassie*

**Geometry**

The measure of a single angle in a regular octagon is (4x + 12)°. Find the value of x. Show equations and all work that leads to your answer
*January 5, 2011 by Clarissa*

**geometry**

The measure of a single angle in a regular octagon is (4x + 12)°. Find the value of x. Show equations and all work that leads to your answer.
*March 17, 2011 by Anonymous*

**Geometry**

#19. Given a regular octagon, find the measures of the angles formed by (a) two consecutive radii and (b) a radius and a side of the polygon.
*April 8, 2014 by Heather*

**math**

an octagon has 8 sides. how many diagonal does an octagon have
*August 28, 2008 by sophie*

**Math**

1 the mystery shape has at least 2 lines of symmetry 2 at least 1 of its diagonals is also a line of symmetry 3 it has has at least 1 obtuse angle 4 at least 3 of its angles are congruent 5 its total angle measure is between 100 degrees and 1,000 degrees A. square B. rhombus C...
*March 26, 2011 by Rayna*

**math **urgent****

using 100 ft of fence material and building a regular octagon garden, what is the area of the garden?
*December 5, 2011 by Anne*

**Geometry**

The measures of all angles in a regular octagon are (4x + 12)°. Find the value of x. Show equations and all work that leads to your answer.
*January 13, 2011 by Katheryn*

**geometry**

The measures of all angles in a regular octagon are (4x + 12)°. Find the value of x. Show equations and all work that leads to your answer
*January 26, 2012 by FlowerChild*

**geometry**

A square measures 18feet 6inches in length. If an octagon is inscribed in the square, then how long should each side of the octagon be?
*July 15, 2011 by Cathy*

**Mathematics**

A regular octagon is formed by cutting off the corners of a square. If one side of the square is n cm, find the total area removed in square cm.
*August 12, 2013 by Arch*

**finance**

The owners’ equity accounts for Octagon Transnational are as follows: Common Stock [$2 par value] $20,000 Capital Surplus 360,000 Retained Earnings 1,173,000 Total owners’ equity $1,553,000 a. If Octagon’s stock currently sells for $50 per share and Octagon declares a 10% ...
*May 5, 2011 by Sara*

**maths-urgently needed**

ABCD is a square with length of each side 1cm. An octagon is formed by lines joining the vertices of the square to the mid points of opposite sides. Find the area of the octagon?
*February 5, 2013 by Anonymous*

**geometry**

ABCD is a square of side length 1. E , F , G and H are the midpoints of AB , BC , CD and DA , respectively. The lines FA , AG , GB , BH , HC , CE , ED and DF determine a convex 8-gon. By symmetry, this octagon has equal sides. If s is the side length of the octagon, then s 2 ...
*February 23, 2013 by Anonymous*

**English**

1. The price itself is expensive. 2. The price itself is high. 3. The price itself is cheap/inexpensive. 4. The price itself is low. (Are they all grammatical? Which one is incorrect?)
*February 5, 2014 by rfvv*

**geometry**

1.what is the area of a sector with a central angle of 160 degrees and a diameter of 5.8m? round the answer to the nearest tenth A. 8.1 m^2 B.4.0 m^2 C.47.0 m^2 D.11.7 m^2 2.what is the area of a regular octagon with a side of 8 in round the answer to the nearest tenth. A 443....
*April 23, 2014 by studyguy*

**geometry**

1. An exterior angle of a regular polygon measures 30 degrees. What is the measure of an interior angle? 30 60 120 150 2. How many degrees are in each interior angle of a regular pentagon? 50 72 108 120 3. If all of the diagonals are drawn from a vertex of a hexagon, how many...
*November 30, 2010 by Justin*

**geometry**

An interior decorator is buying a fringe for the edge of a rug in the shape of a regular octagon. The side length of the rug measures 1/2 inch on a diagram with a scale 1 inch to 4 feet. How many feet of fringe will be needed for the entire edge of the rug?
*January 26, 2012 by Kaity*

**Geometry**

Which of the following is true if a pentagon tessellates a plane? a. A pentagon never tessellates a plane b. All of its sides must be the same length c. It must be a regular pentagon d. It has one pair of parallel slides
*February 7, 2010 by cindy *

**Biology**

In conventional human radiological imaging (e.g., MRI, PET, CT) of the head, the axial plane is synonymous with the horizontal plane. Which of the following statements about this plane is most accurate? The axial plane is an axis of symmetry in the forebrain. The long axis of ...
*April 10, 2013 by Anonym*

**Geometry**

What is the sum of the measures of the interior angles of a convex octagon? What is the sum of the measures of the interior angles of a convex decagon? What is the measure of one interior angle of a regular polygon with 20 sides? Thank You! (:
*February 3, 2010 by Alan*

**geometry**

Why do only three types of regular polygons tesellate the plane and what are they?
*June 1, 2011 by Missy*

**Maths**

An irregular octagon R has vertices 6, 2), (2, 6), (−1, 5), (−5, 1), (−6, −2), (−2, −6), (1, −5) and (5, −1). Using standard notation, write down the elements of the symmetry group S(R) of R, giving a brief description of the ...
*May 24, 2012 by Sam*

**Math Help please**

Can a scalene right triangle tessellate?
*February 7, 2010 by Cupcake *

**Math**

Which of the following is true if a pentagon tessellates a plane? a. A pentagon never tessellates a plane b. All of its sides must be the same length c. It must be a regular pentagon d. It has one pair of parallel sides I was thinking its (c) but not sure.
*January 19, 2011 by Rena Lambides*

**Velocity and Displacement**

A plane is sitting on a runway, awaiting takeoff. On an adjacent parallel runway, another plane lands and passes the stationary plane at a speed of 47 m/s. The arriving plane has a length of 32 m. By looking out the window (very narrow), a passenger on the stationary plane can...
*September 1, 2011 by Fainah*

**Computer Science**

Question #1. 1. Say that L is regular over 0, 1. Is the set, {x|x = 0y,y ∈L } also regular? 2. For two regular languages (a) Is M*L=L*M for any alphabet? (b) Is it true if the alphabet is only {0,1}? (c) Is it true if the alphabet is only {0}? 3. If L is regular, is the ...
*November 3, 2012 by James*

**Geometry**

4.Determine which point does not lie on the graph of the line y=x-3 a. (-10, 13) b. (-10-13) c. (-8, -11) A? 8. What is the best model for a tabletop? a. plane b. line c. point d. none of these A? 40. If 2 points lie in a plane, the line containing them ______ a. intersects ...
*May 2, 2012 by mysterychicken*

**physical**

An electric field with a magnitude of 3.50 kN/C is applied along the x axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.7 m long assuming that (a) the plane is parallel to the yz plane; (b) the plane is parallel to the xy plane; (c) the plane ...
*March 20, 2013 by abc*

**Help!!!**

An electric field of intensity 4.27 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m long if the following conditions are true. (a) The plane is parallel to the yz-plane. (b) The plane is parallel to the xy-...
*January 19, 2012 by Isabella*

**physics!!!**

An electric field of intensity 4.27 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m long if the following conditions are true. (a) The plane is parallel to the yz-plane. (b) The plane is parallel to the xy-...
*January 20, 2012 by Isabella*

**Physics**

A toy slides down an inclined plane which makes an angle of 60 degrees with the horizontal. It starts from rest and achieves a final velocity of 8 m/s in 5 seconds at the bottom of the plane. a. What is the acceleration down the plane? b. What is the distance along the plane ...
*November 2, 2013 by Tsunayoshi*

**Math**

A no. Plus two-third of itself plus one half of itself plus one-seventh of itself equals 97.find the no. Ans is42
*November 4, 2012 by Simran kaur*

**Algebra 2**

1. Plane A is 40 mi south and 100 mi east of Plane B. Plane A is flying 2 miles west for every mile it flies north, while Plane B is flying 3 mi east for every mile it flies south. a. Where do their paths cross? b. Which plane must fly farther? c. What ratio of the speed of ...
*September 28, 2009 by newt*

**Math**

Plane A is 40 mi south and 100 mi east of Plane B. Plane A is flying 2 miles west for every mile it flies north, while Plane B is flying 3 mi east for every mile it flies south. a. Where do their paths cross? b. Which plane must fly farther? c. What ratio of the speed of Plane...
*September 28, 2009 by newt*

**Please Anyone!!!**

Plane A is 40 mi south and 100 mi east of Plane B. Plane A is flying 2 miles west for every mile it flies north, while Plane B is flying 3 mi east for every mile it flies south. a. Where do their paths cross? b. Which plane must fly farther? c. What ratio of the speed of Plane...
*September 28, 2009 by newt*

**math**

A regular triangular pyramid has an altitude of 15.0 m and the base is 8.00 m on a side. Find the area of a section made by a plane parallel to the base and 8.00 m from the vertex.
*October 10, 2012 by david*

**Statisics**

35%of adult Americans are regular voters. A random sample of 250 adults in a medium-size college town were surveyed, and it was found that 110 were regular voters. Estimate the true proportion of regular voters with 90% confidence and comment on your results... Can you show ...
*October 5, 2011 by tina *

**physics**

You push a 320 N trunk up a 20.0° inclined plane at a constant velocity by exerting a 213 N force parallel to the plane's surface. (a) What is the component of the trunk's weight parallel to the plane? (b) What is the sum of all forces parallel to the plane's surface? (c) What...
*December 7, 2009 by Lisa*

**math**

Given the plane 2x-3y+7z=4, a) Find the equation for the line perpendicular to the plane that intersects the plane at the point P=(6,5,1). b) How far is it from the point (4,-2,3) to the plane?
*May 12, 2011 by sophie*

**math **

Indicate whether the following statement is true or false. If a figure can be translated, then it will tessellate. I say false am I right?
*May 19, 2014 by K*

**trigonometry**

There is a plane arriving into Denver, CO. The plane is landing with an angle of depression of 42°. The plane is 18,000 feet off of the ground. Find how far the plane will travel horizontally before hitting the ground. (Round to the nearest hundredth)
*October 18, 2012 by chana*

**Physics**

A loaded penguin sled weighing 60 N rests on a plane inclined at 20° to the horizontal. Between the sled and the plane the coefficient of static friction is 0.27, and the coefficient of kinetic friction is 0.13. (a) What is the minimum magnitude of the force F, parallel to the...
*February 19, 2013 by Rachel*

**Physics**

An inclined plane is on a table 1.4m tall. A 6kg box is hanging vertically attached to a 2kg mass on a plane with an unknown incline plane with coefficient of sliding friction of .2 . a. determine the acceleration of the system. b. if the plane is 3.5m long and the blacks ...
*December 10, 2010 by Mitch*

**Algebra**

Rose wants to plant a garden. She made an outline in her yard of a regular octagon with each side 8 feet long. Rose also divided the garden into sections as shown. In each triangle and square, she planted flowers. In three of the rectangles, she planted vegetables. a.What can ...
*March 11, 2008 by Bretagne*

**Physics**

A packing crate is placed on a 32° inclined plane. If the coefficient of static friction between the crate and the plane is 0.67, will the crate slide down the plane? What is the minimum angle to which the plane must be raised so that the crate will slide down the plane?
*November 30, 2010 by Jenni*

**John F kennedy jr**

I am confused. Was John F Kennedy Jr. murdered by a supposed bomb on the aircraft?? Or was it just a regular plane crash?
*April 16, 2012 by kathy*

**Language Arts Help!!!!!**

Identify two regular and two irregular polygons in your home or community. How do you know they are regular or irregular? Do you think regular or irregular polygons are used more frequently in the design of objects and buildings in the world? Explain.
*February 18, 2013 by Bell*

**Physics**

A loaded penguin sled weighing 60 N rests on a plane inclined at 20° to the horizontal. Between the sled and the plane the coefficient of static friction is 0.25, and the coefficient of kinetic friction is 0.18. (a) What is the minimum magnitude of the force F, parallel to the...
*October 28, 2009 by Karen*

**Physics**

A loaded penguin sled weighing 81 N rests on a plane inclined at angle θ = 21° to the horizontal (Fig. 6-23). Between the sled and the plane, the coefficient of static friction is 0.24, and the coefficient of kinetic friction is 0.13. (a) What is the minimum magnitude of ...
*October 10, 2010 by Alaina*

**Physics**

A loaded penguin sled weighing 73 N rests on a plane inclined at angle θ = 21° to the horizontal (Fig. 6-23). Between the sled and the plane, the coefficient of static friction is 0.24, and the coefficient of kinetic friction is 0.19. (a) What is the minimum magnitude of ...
*October 1, 2011 by Granger*

**physics**

A loaded penguin sled weighing 75 N rests on a plane inclined at angle θ = 24° to the horizontal (Fig. 6-28). Between the sled and the plane, the coefficient of static friction is 0.25, and the coefficient of kinetic friction is 0.13. (a) What is the minimum magnitude of ...
*October 23, 2011 by Taylor*

**Physics**

A loaded penguin sled weighing 66 N rests on a plane inclined at angle θ = 24° to the horizontal (Fig. 6-23). Between the sled and the plane, the coefficient of static friction is 0.22, and the coefficient of kinetic friction is 0.13. (a) What is the minimum magnitude of ...
*October 23, 2011 by Ted*

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