1. 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?

    asked by Lian on November 24, 2011
  2. Math

    The bases of a right prism are parallelograms with length of one of its sides a=8.5 cm and altitude to that side ha = 4 cm. Find the volume of the prism, if the height is h=14 cm.

    asked by Anonymous on April 10, 2019
  3. 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?

    asked by Lian on November 24, 2011
  4. algebra

    I am given the perimeter of the rectangle. It is 96cm. The length is 3 times the width. What are the measurements of the 4 sides of the rectangle? I need the formula please.The answer is 12 and 36, I think.

    asked by Sonya on May 5, 2008
  5. Geometry

    How do you calculate the lateral area and sueface area of a pyramid whose height is 8ft and whose base is a square with 12 sides.

    asked by Mary on May 11, 2011
  6. Math - vector equation of a parallelogram

    The vertices of a parallelogram are the origin and the points A(-1,4), B(3,6), and C(7,2). Write the vector equations of the lines that make up the sides of the parallelogram

    asked by Shaila on September 5, 2010
  7. algebra

    Please help: If the sides of a square are lingthened by 7cm, the area becomes 169cm^2. Fine thelength of a side of the orginal square.

    asked by jane on November 10, 2011
  8. algebra 1

    suppose triangle ABC has right angle C. find the measures of the other sides to the nearest whole number. measurement of angle A is 40 BC is 5

    asked by David on April 20, 2011
  9. trig

    two intersecting sides are 250ft and 170ft, angle between is 55 degrees. use the 250ft side as the base, what is the height of the triangle

    asked by Anonymous on October 8, 2012
  10. ALGEBRA

    A triangle has sides 3x +7, 4x - 9, and 5x + 6. Find the polynomial that represents its perimeter. Am I suppose to just add these together to get the perimeter 3x+7 4x-9 5x+6 12x+4 that's how easy it is.

    asked by TOMMY on April 21, 2007
  11. math

    Find the angle in degree between adjacent sides of the pyramid PQRS. P(4,0,0), Q (4,4,0), R(0, 4,0), S (2, 2, 9). The base of the pyramid is not considered a side.

    asked by Pyramid on April 20, 2011
  12. math

    my question in (slope) find the coordinates of the vertices of a triangle so that the slope of all three sides are positive ??? please explain your answer .

    asked by mota on November 30, 2007
  13. calculus

    show that the area(A) of an isosceles triangle, whose equal sides are of length s and angle between them is theta, is A=1/2s^2sin theta

    asked by meeh on November 16, 2008
  14. Rae

    The sides and classifications of a triangle are given below. The length of the longest side is the integer given. What value(s) of x make the triangle? x,x, 8; right Please provide an explanation as well. Thank you.

    asked by Geometry on December 5, 2012
  15. physics

    Force charges +q,-q,+q,-q placed at 4 corners of a square of sides 'a' calculate the resultant force on +Q charge at the intersection of 2 diagonals

    asked by chandan on March 5, 2016
  16. math

    the diagonals of a rectangle are 25cm long and intersect at an angle of 32 degrees. Find the length of the sides of the rectangle.

    asked by tinette on December 4, 2015
  17. 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
  18. 10

    Legs ( sides other than the hypotenuse) of a right triangle are of lengths 12 and 6 cm. Find the side of the largest square that can be inscribed in the triangle.?

    asked by ritu on June 4, 2014
  19. Math - vector equation of a parallelogram

    The vertices of a parallelogram are the origin and the points A(-1,4), B(3,6), and C(7,2). Write the vector equations of the lines that make up the sides of the parallelogram

    asked by Shaila on September 4, 2010
  20. Math

    If the sides of a square are lengthened by 7cm, the area becomes 121cm2. Find the length of a side of the original square.

    asked by Justin on October 31, 2010
  21. math (mixed Review

    Is the number given a solution of the equation? 2y+8=4y-2;5 Put in y=5 , and see if the two sides of the equation are equal. yes write each as a fraction. 0.1= I do not how to do mixed review

    asked by tonya on September 6, 2006
  22. solid

    ABC is a right triangle with C as the right triangle and sides AC=6 cm and BC= 8 cm. line segment CD is drawn perpendicular to both AC and BC at C. if CD= 12 cm, find the distance from D to midpointS of AB

    asked by edong on February 4, 2015
  23. Precalculus

    A fiel is in the shape of a right triangle. The fence around the perimeter of the field measures 40 m. If the length of the hypotenuse is 17 m, what will be the length of other two sides.

    asked by hanu2012 on October 14, 2012
  24. math

    A 6-sided die is rolled. The sides contain the numbers 1, 2, 3, 4, 5, 6. List the sample space of rolling one die. 9) _______ A) {6} B) {36} C) {1, 2, 3, 4, 5, 6} D) None of these

    asked by jen on December 6, 2009
  25. Geometry

    The sides of a quadrilateral are 3, 4, 5, and 6. Find the length of the shortest side of a similar quadrilateral whose area is 9 times as great. A. 9 B. 13.5 C. 27

    asked by Cody on January 23, 2014
  26. geometry

    The sides of a quadrilateral are 3, 4, 5, and 6. Find the length of the shortest side of a similar quadrilateral whose area is 9 times as great.

    asked by callie on September 29, 2010
  27. maths

    The area of the right angled triangle abc (x+4)(x+3) is twice the area of a square with sides x cm.Write a quadratic equation in terms of x.

    asked by mandy on January 23, 2014
  28. geometry

    If a quadrilateral has 4 congruent sides and congruent diagonals. Could it immediately be concluded to be a square?justify the answer. If not was is a counterexample

    asked by BB on March 30, 2011
  29. algebra

    graph the equation and find the y-intercept. 2y+5x=-6 My question is do I add -5x to both sides first?? how do I start this problem? No one has answered this question yet

    asked by Anonymous on October 7, 2009
  30. Geometry

    A circle is drawn inside a triangle ABC to touch the sides BC,CA and AB at P,Q and R respectively.if A=56° and B=68°, find the angles of triangle PQR

    asked by Gbotty on February 23, 2017
  31. Math

    How many squares with sides that are 6 inches long are needed to cover a square with a side length of 30 inches without overlaping?

    asked by Noah on October 12, 2017
  32. math

    the lengths of corresponding sides of similar rectangles have a ratio of 7:4 the perimeter of the smaller rectangle is 80 ft. what is the peremiter of the larger rectangle?

    asked by walter on February 4, 2011
  33. Math- Geometry

    Given: Angle ABC is a right triangle with hypotenus AB D,E and F are midpts of the sides of the triangle Proof: a. CDEF is a rectangle b. EC is half of AB

    asked by Lori on December 11, 2014
  34. Calculus

    A rectangle has a vertex on the line 3x + 4y = 12. Two of its sides lie along the positive x and y axes. Find the maximum possible area of such a rectangle.

    asked by I on September 25, 2017
  35. Math

    when constructing a box-and-whisker plot using the data set below at which values would you draw the left and right sides of your box? 6,7,1,3,9,3,2,5,8,4,8

    asked by Anonymous on August 27, 2018
  36. Math

    My son has the numbers 1-12. In a square all sides must add up to 25. Each number can only be used once apart from the corners as they will be used twice to form the square pleaseee hellpppp

    asked by Stacy on December 15, 2016
  37. Geometry

    The sides of a square each measures 4 ¾ inches. Find the area of the square as a fraction or mix number. (Do not use decimals)

    asked by Rob on September 10, 2009
  38. math

    A rectangle with sides parallel to the coordinate axes is inscribed in the ellipse x2/a2 + y2/b2 = 1: Find the largest possible area for this rectangle.

    asked by pairika on April 30, 2012
  39. physics

    Four identical masses of 2.7 kg each are located at the corners of a square with 1.4 m sides. What is the net force on any one of the masses? F=((G)(m1)(m2))/r^2 I don't understand why im not getting it right... i need help please!!

    asked by lissa on December 19, 2010
  40. Math

    1. The lengths of the three sides of a triangle are given. Classify each triangle as acute, right, or obtuse. NUMBERS: 30, 40, 50. I'm confused by this question, could someone help/explain what it is asking.

    asked by Tim on April 14, 2016
  41. maths

    the base if an isosceles triangle is 4/3cm. the perimeter of the triangle is 4 2/15cm. what is the length of either of the remaining equal sides

    asked by Anonymous on April 11, 2015
  42. math

    What is the lateral area of a pyramid whose base is a square with sides measuring 16 meters and with a slant height of 17 meters?

    asked by Anonymous on January 28, 2013
  43. History

    The treaty signed in 1621 by the puritans and the massoasits fair to both sides. If so explain. Oh and what is the difference between pilgrims and puritans. Thanx!

    asked by Casey on September 11, 2011
  44. Maths

    A painting 40 cm long and 28 cm wide is painted on a cardboard such that there is a margin of 2 cm along each of its sides find total area of margin

    asked by Mohanish on February 26, 2017
  45. arithmetic

    The base of a solid right prism is a triangle whose sides are 9cm,12cm and 15 cm.the total surface area of the prism.

    asked by niraj on August 30, 2011
  46. math

    triangle QRS ~ triangle EFG. Find the measures of the missing sides. QR = ? EF = 10 QS = 24 EG = 5 RS = 45 FG = ? Im having trouble setting up the equations. Please help!!

    asked by reece on January 21, 2015
  47. Maths

    Each side of a regular polygon is 4.05 cm in length. How many sides does the polygon have if its perimeter is 0.486m ? Exaplain how 4.05n=486

    asked by Anonymous on October 20, 2017
  48. ENGLISH

    Book april morning Describe both sides of the Boiled pudding controversy in town. What does this reveal about the town?

    asked by carl on October 24, 2013
  49. geometry

    The sides of a quadrilateral are 3, 4, 5, and 6. Find the length of the shortest side of a similar quadrilateral whose area is 9 times as great.

    asked by nolan on August 17, 2012
  50. math squares

    how many squares with sides that are 6 inches long are needed to cover a square with a side length of 30 inches without overlapping

    asked by vai on September 29, 2014
  51. Resume

    for a person who has so many experiences and like to change jobs; on the objective--how would you states if you you want to advance for better advance in accounting or finance field? Please advise. Thanks, cp

    asked by chandara on July 29, 2006
  52. math

    the measure of the sides of a rectangle are ( 4 √ ̅2 - √ ̅3cm) by ( √ ̅6 + 2 cm). Find the measure of its diagonal.

    asked by JUN on November 15, 2014
  53. geometry

    Two sides of a triangle measure 2x – 4 and 7x – 2 units, respectively. Which of these is a possible length for the third side of the triangle?

    asked by MARY on March 16, 2010
  54. Math

    If the 3 sides of a triangle have lengths 9m, 12m, and 15m, what is the area of this triangle?

    asked by jackie on January 17, 2011
  55. math its been years since school

    a cube measures 3 inches on all its sides. Wgat is its volume in inches?

    asked by erica on February 12, 2008
  56. GEOMETRY

    is it true that the sides of regular polyhedron although having to be the same polygon, do not have to be regular polygons?

    asked by ggift on September 5, 2009
  57. trig

    In a certain right triangle, the two sides that are perpendicular to each other have lengths h = 4.40 m and b = 8.70 m. What is the length of the third side of the triangle?

    asked by jojo on January 23, 2016
  58. Algebra 1

    The graphs of 3x+2y=1, y=2, and 3x - 4y=-29 contain the sides of a triangle. Find the measure of the area of the triangle.

    asked by Kalleigh on June 26, 2011
  59. MATHS

    The sides of a square were reduced from 10 cm to 7.5 cm. What is the percentage decrease in the area of the square?

    asked by BRYAN on February 24, 2010
  60. geometry

    A triangle has sides x,x+7 , x+ 8. The value of x must fall between what boundaries to make this an obtuse triangle?

    asked by It on March 5, 2012
  61. Algebra 2

    1)Solve: (1/5)^(t-2)=125 (1/5)^(t-2)=125 (1/5)^(t-2)=5^3 (1/5)^(t-2)=(1/5)^(-3) equate the powers on both the sides. we obtain..... t-2=-3 t=-3+2=-1 t=-1

    asked by Jon on May 20, 2008
  62. math

    How do I find the 3rd side of a triangle if I am given 2 sides and there is no mention if it is a right triangle?

    asked by CC on January 5, 2014
  63. math

    game board 23 1/2 inches on all 4 sides= what will be the size of 64 squares on the board=

    asked by timothy on December 25, 2015
  64. MATH HELP

    Two sides of a triangle have lengths of 8 inches and 12 inches. What could be the length of the third side? A) 2 in B) 4 in C) 16 in**** D) 20 in

    asked by CheesePizzaLover373736527 on September 5, 2016
  65. math

    two sides of a triangle have lengths of 8 inches and 12 inches. which could be the length of the third side A. 2 in B. 4 in C. 16 in. D. 20 in i think C? or D?

    asked by help pls on May 18, 2014
  66. Math

    If triangle PQR is 14.5 then PQR=71, QPR =57 find the lengths of the sides PR and PQ

    asked by Mesh on March 5, 2013
  67. Trig-Algebra help asap

    A rhombus has sides of 5 cm and one diagonal is 6 cm long. Find the area of the rhombus.

    asked by Missy on March 12, 2012
  68. Algebra-Trig help asap

    A rhombus has sides of 5 cm each and one diagonal is 6 cm long. Find the area of the rhombus.

    asked by Missy on March 13, 2012
  69. math

    A dice is 4cm in all sides. What if you enlarge it by 1/4. What will be the size of all its size in cm3??

    asked by paul on January 8, 2011
  70. geometry

    Two sides of a triangle are 22 and 34.The length of the third side must be greater than ____ and less than ____.

    asked by Rick on April 3, 2015
  71. Geometry

    Find the area. A rectangle with sides of lengths 4/5 foot and 1/2 foot

    asked by Eddie on April 8, 2014
  72. algebra/common math

    how do I solve this? I know it's common math, but I cannot remember how! -4x> 1/11 I think I multiply both sides by 11, but..... I can't remember how!

    asked by bob on March 28, 2010
  73. geomatry

    Prove algebraically that the ratio of perimeters of two triangles is 1:4 if the ratio of their corresponding sides is 1:4

    asked by ann on February 20, 2017
  74. physics

    In a certain right triangle, the two sides that are perpendicular to each other are 3.80 m and 8.10 m long. What is the length of the third side of the triangle?

    asked by leslie on January 24, 2014
  75. math

    the slope of the longest side of a rectangle is 4/3. What is the slope of the shorter sides?

    asked by chair12345678 on January 12, 2012
  76. math

    what is the length of a diagonal of a rectangular picture whose sides are 3 inches by 4 inches

    asked by Donna on September 9, 2012
  77. mathematics

    If the sides of ∆ABC are 4,5 6 then prove that largest angle will be twice of smallest angle

    asked by rahul kumar on January 19, 2015
  78. physics

    In a certain right triangle, the two sides that are perpendicular to each other have lengths h = 4.40 m and b = 8.70 m. What is the length of the third side of the triangle?

    asked by john on January 21, 2016
  79. geometry

    Two sides of a triangle have lengths 8 and 17. Which inequalities represent the possible lengths for the third side, x? a) 9 < x < 25 b) 9 < x < 17 c) 9 < x < 8 d) 8 < x < 17

    asked by Lexi on January 8, 2012
  80. Geometry

    The lengths of three sides of a triangle are given. Describe each triangle as acute. right. or obtuse. 5, 6,10.

    asked by Rachel on February 12, 2012
  81. 10th Grade Math

    6. Which three lengths CANNOT be the lengths of the sides of a triangle? A.25 m, 16 m, 10 m B. 15 m, 13 m, 12 m C. 18 m, 5 m, 10 m D. 8 m, 8 m, 15 I think its A And if I'm wrong please explain the answer

    asked by Lilly on November 22, 2016
  82. math

    how do I solve this? I know it's common math, but I cannot remember how! -4x> 1/11 I think I multiply both sides by 11, but..... I can't remember how!

    asked by bob on March 28, 2010
  83. geometry

    If the measure of an exterior angle of a regular polygon is 24, how many sides does the polygon have?

    asked by BaileyBubble on December 12, 2012
  84. Geometry

    Given the lengths of the sides of a triangle, identify the triangle as acute, right, or obtuse. 37,12,34 5,12,13 20,21,28

    asked by Heather on March 27, 2014
  85. math

    Two sides of an obtuse triangle have lengths 7 and 3. If the third side is also an integer, what are its possible lengths?

    asked by Cadie on April 25, 2018
  86. math

    each exterior angle of a regular polygon is 12 degrees. how many sides does the polygon have?

    asked by shar on January 17, 2012
  87. Geometry

    Given a triangle with sides of 25, 9, 25, what type of triangle is it: Equilateral, Isosceles, Scalene?

    asked by Adaron on June 20, 2018
  88. math

    using numbers 1-12 make all sides of a square equal 26 using 4 numbers a time

    asked by Anonymous on October 3, 2010
  89. AP Calculus

    The average area of all squares with sides between a inches and b inches (b>a) is ____ in^2.

    asked by Anon on March 16, 2014
  90. geometry

    The sides of a rhombus with angle of 60° are 6 inches. Find the area of the rhombus.

    asked by Anonymous on June 8, 2010
  91. geometry

    the measure of two sides of a triangle are 15 and 18. Between what two numbers must the measure of the third side fall?

    asked by nick on January 6, 2010
  92. Math ( please helllp )

    The sides of a triangle have lengths ; 2x-1,x+3,3x-4 . Which of the following describes the perimeter of the triangle in terms if "x"

    asked by Amanda Mosley on February 27, 2012
  93. Math

    A triangle has sides with lengths of 3x, 5x, and 8x. Express the perimeter of the triangle in terms of x. Please help!!!

    asked by Gigi on January 2, 2011
  94. geomerty

    two sides of a triangle have lengths 45 inches and 50 inches. How long can the third side be?

    asked by nora on December 10, 2011
  95. math

    the lengths of the sides of four triangles are listed as follows. which two triangles are similar? explain. a~ 5 cm, 6 cm, 8 cm b~ 6 cm, 7 cm, 8 cm c~ 8 cm, 10 cm, 12 cm d~ 12 cm, 15 cm, 18 cm

    asked by Anonymous on December 4, 2010
  96. Geometry

    Consecutive sides of a rhombus measure 2x + 15 and 4x - 5. What is the perimeter of the rhombus? a.) 10 b.) 35 c.) 70 d.) 140

    asked by Lauren on December 22, 2011
  97. Math

    109-x=96 cannot figure out why 13 keeps coming up as the answer. Seems like you should be adding 109 to both sides; any help?

    asked by Kim on October 1, 2015
  98. pre calculus

    A parallelogram has a 70 degree angle and sides 6 cm and 10 cm long. How long are its diagonals?

    asked by lelelelel on December 1, 2010
  99. algebraic expression

    The length of two sides of a triangle are 12 cm and 15 cm. Between what two measures should the length of the third side fall?

    asked by Divyanshi on November 13, 2016
  100. maths

    two adjacent sides of a parallelogram are 3.5cm and 5cm. what is the ratio of their altitudes

    asked by Alana on March 12, 2016