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why won't a regular octagon tessellate a plane by itself?

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Math
Why won’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.

math
A regular pentagon and a regular octagon cannot tessellate on their own correct?

math
Octagon PQRSTVWZ is a regular octagon with the center at point C. Which transformation will map octagon PQRSTVWZ onto itself?

Geometry
Will an octagon and an isosceles triangle tessellate a plane?

math
15. which of the following figures will not tessellate the plane? a. rhombus b. equilateral triangle c. regular hexagon d. regular pentagon

geometry
Why does a regular pentagon not tessellate the plane?

Geometry
Will a non-regular acute triangle tessellate the plane?

math
Will a non-regular acute triangle tessellate the plane? How do you know?

geometry
Name three regular polygons that will tessellate the plane

geometry
Name three regular polygons that will tessellate the plane

Geometry
Why is it impossible for a regular polygon with more than six sides to tessellate the plane?

Math
Why is it possible for a regular polygon with more than six sides to tessellate the plane?

Geometry
Can some one please help me I'm stuck in this question. Why does a regular pentagon not tessellate the plane?

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?

Geometry
The area of a regular octagon is 35 cm². What is the area of a regular octagon with sides three times as long?

Trig-Algebra help asap
A regular octagon is inscribed in a circle with a radius of 5 cm. Find the area of the octagon.

math
The perimeter of a regular octagon is p. write an expression that represents the length of one side of the octagon?

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?

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?

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?

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?

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?

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?

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?

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?

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?

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?

Maths (Proof)
An octagon is formed by joining the points (7,0), (5,5), (0,7), (-5,5), (-7,0), (-5,-5), (0,-7), (5,-5) and (7,0). The octagon is regular. I have used proof by exhaustion and got that all sides are square root of 29. Then sketched it, and all sides were also same length. But ...

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.

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 ...

Geometry
tha area of a regular octagon found by decomposing the octagon into a rectangle into trapezoids is ________ m2

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?

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 ...

Math
This regular octagon has a side length 15.0cm. Determine the distance from one vertex to the opposite vertex, measured through the centre of the octagon. Give your answer to to the nearest tenth of a centimeter.

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 ...

Geometry
Will any kite tessellate the plane? why or why not?

Maths
4.The sides of a regular octagon is 0.8m. The sides of a regular pentagon are 0.12m. Which one has the larger perimeter?

Math
What must be true for a pentagon so that it will tessellate a plane?

problem solving
What is the area of a regular hexagon with P = 100? What is the area of a regular octagon with P = 100? What is the area of a regular n-gon with P = 100? Make a table for n = 3 to 25. Make a graph. What happens to 1/n(tan 180/n) as n increases?

math
Can the figure below tessellate a plane? Explain your answer. 20.gif

maths
a regular dodecagon has a side lenght of 5.6cm find the side lenght of a regular octagon that has the same perimeter?

math
area of a regular octagon of side 12.5

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...

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 ...

geometry
if you have a regular octagon with a side 7, what is the area?

Math
find the perimeter of a regular octagon with sides of 5.5cm.

Drawing
Inscribe a regular octagon in a circle of diameter 80mm

geometry
find the perimeter of a regular octagon with an area of 80 m and an apothem of 5m

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?

geometry
find the ara of a regular octagon inscribed in a circle with a radius of 1 cm.

geometry
find the ara of a regular octagon inscribed in a circle with a radius of 1 cm.

Math
find the are of a regular octagon whose sides are 12cm long.

math
find the are of a regular octagon whose sides are 12cm long.

geometry
what is the perimeter of a regular octagon whose sides are 9.4 centimeters long.

geometry
The measures of all angles in a regular octagon are (4x + 12)°. how would you find the value of x?

geometry
what is the measure of the arc of a regular octagon inscribed in a circle? i think it is 45. am i correct

geometry
if a regular octagon has a perimeter of 264 centimeters, what is the measure of each interior angle and each side?

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 ...

Solid Geometry
Find the Lateral area in cm square of the following right pryramid. 1. Base is regular octagon of side 20cm and altitude of 20cm. 2. Base is regular hexagon of side 20cm and altitude of 30cm. 3. Base is regular hexagon of side 30cm and slant height of 50cm.

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?

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

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.

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.

Geometry
The side lengths of an equiangular octagon are $1$, $2$, $3$, $4$, $1$, $2$, $3$, and $4$ in clockwise order. Find the octagon's area. I don't know how to do this.

math
an octagon has 8 sides. how many diagonal does an octagon have

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...

math **urgent**
using 100 ft of fence material and building a regular octagon garden, what is the area of the garden?

geometry
hat is the area of a regular octagon with a side length of 5 meters and a distance from the center to a vertex of 6.5 meters?

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.

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

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?

cellular solids
Calculate the Young's modulus and compressive strength for: a) 5% dense aluminum regular hexagonal honeycomb, loaded in the out-of-plane direction, x3 b) 5% dense aluminum regular hexagonal honeycomb, loaded in the in-plane direction, x2 c) 5% dense aluminum open-cell foam ...

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.

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...

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?

Geometry
Two unit squares share the same center. The overlapping region of the two squares is an octagon with perimeter 3.5. What is the area of the octagon? I don't know how to do this. Could you please help me?

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 ...

geometry and trig
I have a regular octagon with a radius of 9. I have split the 8 pie slices into right angles--leaving angles 90, 67.5, and 22.5. I looked for the sine of 22.5 opp/hyp and get .38. Then the oppositeside is 6.84. I can't get the right answer, what am I doing wrong? Thanks

Math
1. Write a rule to describe the translation of a point from (-3,3) to (-2,2). a. (x,y) --> (x - 1, y + 1) b. (x,y) --> (x + 1, y + 1) c. (x,y) --> (x - 1, y - 1) d. (x,y) --> (x + 1, y - 1) 2. The coordinates of an ordered pair have opposite signs. In which ...

Geometry
1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero dimensions...

Math
1. What is the area of a regular octagon with an apothem 16 inches long and a side 19 inches long? Round the answer to the nearest inch. A) 144 in^2 B) 216 in^2 C) 1,216^2 D) 2432 in^2 Is the answer D? That's what I solved it.

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?)

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....

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 ...

Geometry
1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero dimensions...

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?

CHECK ANSWERS for geometry
1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero dimensions...

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

Math Help please
Can a scalene right triangle tessellate?

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! (:

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 ...

geometry
Why do only three types of regular polygons tesellate the plane and what are they?

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 ...

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.

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...

math
Identify two regular and two irregular polygons in your home or community. How do you know they are regular or irregular? Give one example of each regular and irregular polygon that you noticed in your home or community. Do you think regular or irregular polygons are used more...

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 ...

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 ...

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 ...

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-...

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