1. 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

    asked by Josh on July 14, 2015
  2. MATH

    The exterior angle of a regular polygon is the angle formed by an extended side and the adjacent side. a)what is the measure of each interior angel of a regular pentagon. (There is apicture on the page and each side measures 21mm) Help please.

    asked by CAITLIN D. on May 17, 2009
  3. Geometry

    If each side of a regular pentagon is x^2 + 17 and each side of a regular hexagon is x^2 + 2x, for what value or values of x will the perimeters of the figures be equal?

    asked by Elizabeth on January 17, 2010
  4. math

    If each side of a regular pentagon is X2 + 17 and each side of a regular hexagon is x2 + 2x, for what value or values of x will be the perimeters of the figures be equal

    asked by Tim on January 14, 2010
  5. math

    consider a square and a regular pentagon. one side of the square is 6 feet longer than a side of the pentagon, and the figures have the same perimeter. what are the lengths of the sides of each figure?

    asked by ??? on September 24, 2010
  6. Math Geometry

    there are 2 pentagons the small pentagon has a side that is 3cm while the side on the other larger pentagon is 8cm. the small pentagon has a side x cm while the same side on the larger pentagon is 5cm. would i set up a proportion 3/x = 8/5

    asked by Amy~ on September 5, 2010
  7. MATH

    MARY DREW A REGULAR PENTAGON EACH SIDE HAVING A LENGTH OF 4 INCHES. IF SHE DOUBLES EACH SIDE, WHAT WILL HAPPEN TO THE PERIMETER?

    asked by JANIAH on May 8, 2012
  8. Math

    The perimeter of a regular pentagon is 35in. What is the lenght of one side of the pentagon? Show your work.

    asked by Leah on February 21, 2012
  9. geometry

    a regular pentagon has an apothem of 3.2 and an area of 37.2 cm. What is the length of one side of the pentagon?

    asked by Steve on March 24, 2016
  10. Algebra

    A regular Pentagon measures 5 1/8cm on one side, what is the perimeter of the Pentagon

    asked by Dee on December 8, 2015
  11. math

    The exterior angle of a regular polygon is the angle formed by an extended side and the adjacent side. c) How do the central angel and the exterior angle of a regular pentagon compare? Is this relationship true in any regular polygon? Explain. Help

    asked by CAITLIN D. on May 17, 2009
  12. Math

    How do you find the value of x for a regular pentagon with its sides extended. The only information that they give is X to the 6th power inside of the circle at the top of the pentagon with an extended side.

    asked by Arlena on November 27, 2010
  13. Math Hw

    Completed the following table for a pentagon. Regular Pentagon side length(inches) Perimeter(inches) 6 ? 8 ? 10 ? 12 ?

    asked by Riley on December 2, 2010
  14. Math

    There are two regular pentagons- Pentagon A and B. One of the sides of Pentagon A is 4 inches in length. The corresponding side Pentagon B is 6 inches. Are these two pentagons similar?

    asked by Jessica on April 28, 2017
  15. Geometry

    Hi, I'm having a difficult time understanding a couple of Geometry questions on my homework and I'd really appreciate it if someone could answer them and explain to me how to get the same answer. Question 1: A regular pentagon has an apothem of 3.2 m and

    asked by Tyler on March 15, 2012
  16. Math

    What's the perimeter of a regular pentagon which has the side of length 2x+7?

    asked by Nidhi on May 29, 2014
  17. Geometry

    what is the length of any diagonal of a regular pentagon with a side of 20mm?

    asked by katherine on April 1, 2011
  18. geometry

    what is the length of any diagonal of a regular pentagon with a side of 20mm ?

    asked by Katie on March 23, 2011
  19. 10th grade

    perimeter of a regular pentagon with side measurements of 57 centimeters

    asked by bran on July 14, 2010
  20. Geometry

    The perimeter of a regular pentagon is 31 cm. Find the length of each side.

    asked by Bob on September 21, 2010
  21. Geometry

    Problem : Howm do you find the area of a circle circumscribed about a regular pentagon with a perimeter of 50 inches. So far I each side of pentagon is 10. How do I find the radius of the circle? Is this the correct direction to go?

    asked by mary on April 10, 2011
  22. Math (immediate help, please)

    Find the area of a regular pentagon with a side 8 centimeters. Please provide an explanation!

    asked by Isabel on March 7, 2013
  23. math

    At the Pentagon there are921 feet along each outer side facade and 17.5 miles of corridorS inside it. All sides of the Pentagon are equal. What is the perimeter of the Pentagon

    asked by sam on December 16, 2013
  24. geometry

    Find the area of a regular pentagon with a side of 6ft. answer nearest tenth

    asked by lilman on May 24, 2012
  25. Geometry

    If a regular pentagon has sides of four feet, what is the length from the vertex to the midpoint of the opposite side

    asked by Lee on September 30, 2012
  26. MATHS

    A REGULAR PENTAGON AND A SQUARE ABFG ARE FORMED ON OPPOSITE SIDE OF AB FIND ANGLE BCF.

    asked by DEE on May 1, 2017
  27. geometry

    Find the area of a regular pentagon with a side of 6 ft. Give the answer to the nearest tenth. ok can't remember how to do this

    asked by cindy on January 12, 2012
  28. Geometry - Bob

    Problem : Howm do you find the area of a circle circumscribed about a regular pentagon with a perimeter of 50 inches. So far I each side of pentagon is 10. How do I find the radius of the circle? Is this the correct direction to go? I your link & I was

    asked by mary on April 10, 2011
  29. MATH

    A REGULAR PENTAGON ABCDE AND A SQUARE ABFG ARE FORMED ON OPPOSITE SIDE OF AB. FIND ANGLE BCF..

    asked by DEE on May 1, 2017
  30. pentagon...GEOMETRY

    ABCDE is a regular pentagon. FAD is an equilateral triangle, such that points F and E are on the same side of line AD. What is the measure (in degrees) of ∠FAB?

    asked by Anonymous...urgent! on March 4, 2013
  31. Geometry

    ABCDE is a regular pentagon. FAD is an equilateral triangle, such that points F and E are on the same side of line AD. What is the measure (in degrees) of \angle FAB?

    asked by John on March 9, 2013
  32. math

    If a pentagon has five sides. Two sides are three times the length of the shortest side. Two sides are five inches longer than the shortest side. Write and simplify an expression for the perimeter of the pentagon.

    asked by vanessa on January 23, 2017
  33. 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

    asked by Anonymous on May 15, 2015
  34. Geometry

    Regular pentagons A and B are similar. The apothem of Pentagon A equals the radius of Pentagon B. Compare the areas. The area of Pentagon A is equal to 1.49 times the area of Pentagon B. The area of Pentagon B is equal to 1.49 times the area of Pentagon A.

    asked by SkatingDJ on April 7, 2016
  35. geometry

    Find the area of a regular pentagon with side equal to 3 and apothem equal to K.

    asked by Anonymous on June 8, 2010
  36. Math

    Regular Pentagon side length(inches) - 6,8,10,12 Perimeter(inches) - ?,?,?,? fill in the ?

    asked by Riley on December 2, 2010
  37. MATH

    regular pentagon Side length(inches) 6 If its 6 what is the perimeter( inches)

    asked by macy on February 23, 2011
  38. 4th grade

    What is the perimeter of a dog huse in the shape of a regular pentagon if the perimeter is 35 feet,what is the length of each side of the play area?

    asked by delacia williams on April 5, 2010
  39. geometry

    If a pentagon has a side of 140, how many inches is the rest of the side?

    asked by Whitney on January 26, 2011
  40. math 8th grade

    One of a pentagon's sides is 3 feet longer than the other. If the perimeter of the pentagon is 128m, how long is the longest side?

    asked by cody gilliam on March 31, 2011
  41. math 8th grade

    One of a pentagon's sides is 3 feet longer than the other. If the perimeter of the pentagon is 128m, how long is the longest side?

    asked by cody gilliam on March 31, 2011
  42. geometry

    What is the area of a regular pentagon with a side length of 10 inches and a distance from the center to a vertex of 10 inches? Round your answer to the nearest tenth.

    asked by Katie on June 13, 2012
  43. Geometry

    Find the area of a regular pentagon with a side of 6ft. Give the answer to the nearest tenth. 123.9ft2 49.5ft2 61.9ft2 12.4ft2

    asked by Ash on January 23, 2012
  44. 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

    asked by Rain on August 16, 2016
  45. Maths

    A piece of land has the shape of a regular pentagon. The perimeter of the land is 2510m. Calculate the length of one side of the Land.

    asked by Indira on December 14, 2016
  46. Physics

    Suppose you are asked to determine the perimeter of a seven-sided irregular figure. You make the following measurements: Side 1 = 3.2 m Side 2 = 4.8 m Side 3 = 2.000 m Side 4 = 8.94 m Side 5 = 11 m Side 6 = 7.566 m Side 7 = 4.0 m How many significant

    asked by Kevin on September 6, 2012
  47. maths

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

    asked by holly on December 6, 2011
  48. geometry

    Paula built a play area for her dog in the shape of a regular pentagon. If the perimeter is 35 feet, what is the length of each side of the play area?

    asked by Mika on October 19, 2010
  49. math

    The scale balanced when n+20=80 Suppose the left side becomes n+3 How can I change the right side so that n+3=____ is equivalent to n+20=80 How can I change the right side to get an equivalent equation my choices are A. Add blank to the right side B.

    asked by Hannah on January 12, 2015
  50. math

    if the perimeter of a pentagon is 60 com, what must its dimensions be to maximize area? the pentagon has two sides equal to ecah other, (vertical side) the the base and top are all equal to each other

    asked by tommy on February 20, 2013
  51. Geometry

    What is the area of a regular pentagon with a side length of 9.4 feet and an apothem length of 6.5 feet?

    asked by Louisa on November 7, 2011
  52. Geomotrey

    What is the area of a regular pentagon with a side length of 9.4 feet and an apothem length of 6.5 feet?

    asked by orlando on August 6, 2014
  53. math

    a pentagon has a perimeter of 50 cm. the shortest side has a length of 3 cm. find the length of a similar pentagon if the perimter of the second penatgon is 80 cm ?

    asked by dustin on September 25, 2013
  54. geometry!!!! PLEASE HELP!!!!

    A point P is uniformly chosen inside a regular hexagon of side length 3. For each side of the hexagon a line is drawn from P to the point on that side which is closest to P. The probability that the sum of the lengths of these segments is less than or

    asked by fweng on April 29, 2013
  55. 8th grade

    Please help me how you get the answer. PLEASE I NEED HELP. A triangle sail has a perimeter of 25 m. Side a is 2 m shorter than twice side b, and side c is 3 m longer than side b. Find the length of each side. Thank you ver much for helping me

    asked by Glenda on October 27, 2010
  56. Math

    A point P is uniformly chosen inside a regular hexagon of side length 3. For each side of the hexagon a line is drawn from P to the point on that side which is closest to P. The probability that the sum of the lengths of these segments is less than or

    asked by abc Please help URGENT on May 4, 2013
  57. Math

    Solve for the length of the unknown side in the following right triangle. (Side AC is the hypotenuse.) Round your answer to two places, where applicable. Side AB ? Side BC=12 Side AC=19

    asked by Jim on July 18, 2012
  58. 8th grade math

    the first side of a triangle measures 3 cm longer then the second side the third side is 4cm shorter then twice the second side the perimeter is 31cm. how long is each side?

    asked by Evan on March 7, 2011
  59. 9th grade math

    the triange is 31cm, side 1 and side 2 have equal lenghts, while side 3 is one centimeter shorter than twice then length of side 1, how long is each side?

    asked by Greg on February 18, 2011
  60. maths

    a piece of land has a perimeter of a regular pentagon. The perimeter of the land is 2510m. calculate the length of one side of the land

    asked by indira on December 14, 2016
  61. Math, Geometery

    Hey Guys I have a problem like on the kids on here. What is the area of a regular pentagon with a side length of 10 inches and a distance from the center to a vertex of 10 inches? Round by nearest tenth. I know you have to use pythagrean therom to solve

    asked by Ashley on June 13, 2012
  62. Math

    Mr Shen wished to enter the orange kite competition with an innovative kite of his own design. He did tests that showed an irregular quadrilateral design was best. The longest side (A) was twice the length of the shortest side (C). Side B was one and

    asked by Christopher on May 5, 2014
  63. 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

    asked by jerry on June 22, 2013
  64. Math

    A pentagon is formed by putting together three identical equilateral triangles and one larger equilateral triangle with length of edge equal to 2 times that of the smaller equilateral triangle. If the perimeter of the smaller triangle is 42 cm, what is the

    asked by Cindy on April 13, 2007
  65. math

    A table is shaped like a regular hexagon. The length of one side is (2x + 2) in. and the length of another side is (3x − 4) in.. Find the length of a side

    asked by Morgan on September 30, 2010
  66. geometry

    A table is shaped like a regular hexagon. The length of one side is (3x + 3) in. and the length of another side is (4x − 4) in.. Find the length of a side.

    asked by Brianna on September 28, 2010
  67. Geometry

    Find the area of a regular pentagon with radius 3cm. Round to the nearest tenth. No picture is given, but I believe a circle can surround the figure. I'm not really sure how to find the area of the figure when the side length isn't given. Can you guys help

    asked by Nikki on April 19, 2008
  68. Trig-Algebra help asap

    A regular pentagon is inscribed in a circle whose radius measures 7 cm. Find the area of the pentagon.

    asked by Missy on March 12, 2012
  69. geometry

    In the diagram, ABCDE is a regular pentagon with the measure of represented by 2x + 1. If the perimeter of the pentagon is 45, find the value of x.

    asked by nini on March 11, 2010
  70. geometry

    the lengths [in inches] of two sides of a regular pentagon are represented by the expression 5x-27 and 2x-6 . fined the length of a sied of the pentagon.

    asked by kira on August 30, 2010
  71. 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

    asked by cindy on February 7, 2010
  72. Geometry

    What is the area of a regular pentagon with an apothem 14 inches long and a side 20 inches long? Round the answer to the nearest inch. Answer choices: 1400 in.^2 700 in.^2 175 in.^2 140 in.^2 Give work, not answer, please.

    asked by Jake on May 14, 2016
  73. Algebra

    A triangle has a perimeter of 32 inches. The medium side is 7 more than the short side, and the longest side is3 times the length of the shortest side. Find the shortest side.

    asked by Keonn'a Tarvin on August 29, 2018
  74. math/algebra

    I have a triangle one side = 3 side 2 = square root5 - square root 3 side 3 = square root 5 + square root 3 I can get the answer 3 and I know I am missing the square root part of the equation can you help me by showing how this problem is worked so I can

    asked by Dee on July 22, 2007
  75. Algebra

    A triangle has a perimeter of 32 inches. The medium side is 7 more than the short side, and the longest side is 3 times the length of the shortest side. Find the shortest side. 32=s+m+l m=s+7 l=3s 32=s+m+l 32=s+s+7+3s 32=5s+7 -7 -7 25/5s=5s/5s 5=s

    asked by Keonn'a Tarvin on August 29, 2018
  76. Algebra

    A triangle has a perimeter of 47 inches. The medium side is 5 more than the short side, and the longest side is 4 times the length of the shortest side. Find the shortest side.

    asked by Keonn'a Tarvin on August 29, 2018
  77. Math help!

    Which of the triangles described in the table is a right triangle. Table Triangle Q, Side 1=25 Side 2=10 Side 3=15. Triangle R, Side 1=26 Side 2=20 Side 3=46. Triangle S, Side 1=25 Side 2=20 Side 3=1,025. Triangle T, Side 1=25 Side 2=26 Side 3=650. A. Q B.

    asked by Anonymous on October 30, 2014
  78. Math

    Which of the triangles described in the table is a right triangle. Table Triangle Q, Side 1=25 Side 2=10 Side 3=15. Triangle R, Side 1=26 Side 2=20 Side 3=46. Triangle S, Side 1=25 Side 2=20 Side 3=1,025. Triangle T, Side 1=25 Side 2=26 Side 3=650. A. Q B.

    asked by Cami on November 6, 2015
  79. Mathematics

    What are the differences and similarities between a regular pentagon and an irregular pentagon

    asked by Robyn on August 15, 2011
  80. MATH

    The regular pentagon has a perimter of 18.8 units. What is the value of x? theres a drawing of a pentagon and below it, it says x-3.

    asked by Anonymous on May 31, 2010
  81. maths

    A point P is uniformly chosen inside a regular hexagon of side length 3. For each side of the hexagon a line is drawn from P to the point on that side which is closest to P. The probability that the sum of the lengths of these segments is less than or

    asked by ianian on April 29, 2013
  82. geometry

    in the digram below,prove that trianglel lmn is similar to trangle lopnafter ur proof, slove for the length of side mn(side lm=4,side Mo=8,and side op=15).

    asked by bishar on May 16, 2012
  83. Math

    I NEED TO KNOW HOW TO DO THE WORK FOR THIS QUESTION!!!!!!!!!!!!!!!!!!! Find the length of each side(triangle) first side-x second side-x+2 third side-x+3 Perimeter=35m "answer = 10m, 12m, 13m" ^^^^how do you get this???

    asked by Ahri on March 23, 2017
  84. Math

    One side of a triangular banner is 1 ½ times longer than the second side and 2 cm shorter than the third side. The perimeter of the triangle is 98 cm. How long is the shortest side?

    asked by christian on March 2, 2014
  85. algebra

    I need help in identifying a graph. I tried textbook and plugging no. with no luck All numbers on right side of (y) line. Bottom of parabola is on x=4 and y=-4, going up f(x) dot is on x=3, y=-3 (left line going up); right line going up is x=5, y= -3;

    asked by kirk on March 25, 2015
  86. Algebra

    A fish pond at the local park is a regular hexagon. a. Write a formula for the perimeter of the pond in terms of the length of a side. Explain your formula. b. Each side has a length of 7.5 feet. Find the perimeter of the pond. c. Suppose the designer of

    asked by Samantha on March 14, 2012
  87. Geometry

    the side of a regular hexagon is twice the square root of its apothem. find the apothem and side length.

    asked by Sofia on January 12, 2011
  88. Maths

    The perimeter of a rectangular pentagon which has a side of 12 cm

    asked by Ellie on April 19, 2018
  89. Geometry

    Find the area of a decagon with side of 4cm. Find the area of a pentagon with side length of 10cm Find the area of a hexagon with radius of 5in.

    asked by Jill on April 15, 2012
  90. calculus

    For trigonometric substitution to solve the above integral, fill in the blanks below using the picture of the triangle given. integral (x^3)/(sqrt(25+9x^2)) dx / l / l / l / l / l / l / l / l / l side A / l / l --------- side B *** sorry hard to draw on

    asked by Chiara on April 19, 2011
  91. Cosine Law

    Find all missing sides/angles. Round each answer to the nearest unit. Angles/sides ABC (left to right) 1) Angle c= 70 deg side b= 28 yd side c= 26 yd 2) Side a= 18 cm Side b= 24 cm Side c= 28 cm

    asked by Jane on May 25, 2014
  92. Geometry

    Find the values of the variables and the lengths of the sides of this kite. Side A=y-4, side B=x+5,side C= x+12, side D= 2x+5

    asked by BaileyBubble on December 14, 2012
  93. Algebra

    The first side is triple the second side and the third side is five times the second side. What are the sides of the triangle if the perimeter is 72ft?

    asked by Olivia on April 17, 2016
  94. physical education

    What side do you start on in a doubles game? even side, odd side, or it all depends on the score? is is even side?

    asked by Anonymous on March 5, 2009
  95. algibra1

    One side of the triangle is twice as long as the second side. The remaining side is 4cm greater than the second side. The perimeter of the triangle is 24cm.Find the length of each side of the triangle.

    asked by michael on September 15, 2014
  96. bnhs

    a regular triangle and a regular hexagon have the same perimeter length.If the length of a side of hexagon is 20cm,how long is each side of the triangle?

    asked by tintin on July 19, 2010
  97. maths

    anyone can help me with this question plz .how u find the angle between side of hexagon which it has 6 different side and the length of each side is ,side1: 128mm, side 2:10mm, side3:112mm,side4: 82mm, side5:48mm,side6:30mm.

    asked by john help me with this question plz on October 2, 2013
  98. geometry

    in a triangle the middle length side is 3 more than the shortest side, and the longest side is double the middle lenght side the perimeter of the triangle is 45cm find the lenghts of the side

    asked by Anonymous on February 15, 2011
  99. Geometry

    ABCDEF is a regular hexagon with side length 43√4. Points G,H,I,J,K,L are chosen uniformly at random, one from each side of the hexagon. What is the expected area of hexagon GHIJKL?

    asked by Sambaran G. on May 5, 2013
  100. Math

    ABCDEF is a regular hexagon with side length 4 (Under 4 root)√3. Points G,H,I,J,K,L are chosen uniformly at random, one from each side of the hexagon. What is the expected area of hexagon GHIJKL?

    asked by Mathslover Please help on May 5, 2013