1. Geometry

    The parallelogram has the angle measuers shown. Can you conclude that it is a rhombus, a rectangle, or a square? Explain. So I'm going to describe the image then I'll give what I think would be a correct answer to explain. (I'm really bad at this)
  2. math

    For each right triangle, draw the rectangle made by drawing sides opposite the two shorter sides in the triangle. Find the area of each rectangle
  3. Math

    There's a rectangle. On 1 side is 8 which is the Length side I have to find out how long the width side is. The whole perimeter has to equal 25 P=25 So if both length sides are 8 then that equals 16. Now I have to see how much both width sides are I did
  4. Geometry

    x ________________<20* |<90* y | |<70* (hypotenuse length is 12 units) I'm learning about trig ratios, and my dad was trying to compare it to a circle or something? All I know is sin = a/c cos = b/c tan = a/b you're trying to figure out the
  5. Geomentry

    What is the converse of the theorem statement: The segment connecting the midpoints of two sides of a triangle is parallel to the third side and is half as long.
  6. algebra

    The lengths of the sides of a triangle are consecutive even integers. Find the length of the longest side if it is 22 units shorter of the perimeter.
  7. Calculus

    Show by vector calculation that the bisector of the angle between the two equal sides of an isosceles triangle bisects the third side and is perpendicular to it.
  8. Math

    In the accompanying diagram, the perimeter of isosceles triangle MNO is equal to the perimeter of square ABCD. If the sides of the triangle are represented by 4x+4 , 5x-3, 17 and one side of the square is represented by 3x, find the length of the square
  9. Algebra

    The perimeter of a triangle is 60 cm. The longest side exceeds the shortest one by 10 cm.and the sum of the lengths of the longest and the shortest ones is twice the length of the other side. Find the lengths of the sides.
  10. geometry

    what is the answer to this; Alvan said that if 2 triangles are not congruent, then at least one of the 3 sides of one triangle is not congruent to the corresponding side of the other triangle. do you agree with alvan? justify your answer.
  11. jim chavani high

    A cubic block of wood is painted various colours on all the sides.  Each side of the block has the same length of 12cm. This block is now cut into many cubes of equal size of which the sides are now 3cm in length. c) How many cubes could be created from
  12. Physics

    An equilateral triangle initially has side length equal to 17 cm. Each vertex begins moving in a straight line towards the midpoint of the opposite side at a constant rate of 2.3 cm/s, continuously forming progressively smaller equilateral triangles until
  13. Precalculus

    Evaluate: tan(arcsin(8/17)+ arctan(4/3)) I understand that I have to make triangles out of the values given-- with 15 being the other side of the 17 and 8 triangle, and 5 being the other side of the 4 and 3 triangle. I'm not sure where to go on from there,
  14. geometry/math pls help

    The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P. (1) Find the sizes of the other two angles of triangle PQR. (2) Find the length of the median drawn to side PQ. (3) Find the length of the
  15. Geometry

    The areas of two similar triangles are in the ratio 36:25. If one side of the larger triangle is 60cm, what is the length of the corresponding side of the other triangle?
  16. math

    the perimeter of a isosceles triangle is 28cm with side 4y=6y-2x+1 and base x+2y in cm, find x and y and state the length of the side of the triangle.
  17. math

    If side of triangle are in the ratio 3:4:5 and its perimeter is 24 cm, find measure of each side of triangle. How to solve this Questions please show.
  18. geometry

    Use SAS (Side-Angle-Side congruence) to explain why triangle WXY congruent to triangle WZY
  19. Science

    Two children, m1 = 50 kg and m2 = 55 kg, and a plastic sled of mass 35 kg start at rest and slide for 5.0 s down a hill. The force of gravity pulling the children and sled down the hill is 470 N but the snow provides a frictional force of 325 N. At the
  20. Science

    Two children, m1 = 50 kg and m2 = 55 kg, and a plastic sled of mass 35 kg start at rest and slide for 5.0 s down a hill. The force of gravity pulling the children and sled down the hill is 470 N but the snow provides a frictional force of 325 N. At the
  21. Quadratics

    So there's a right angled triangle and it has another small triangle on the top and the right side is 10cm long (including the side of the small triangle). 10-x is bc. I know the base is 3+2xcm. [bc] is the same as [be]. [cd] is 3 cm more than twice the
  22. running.from.myself

    3. how many lines of symmetry are in a 8-sided snowflake? 10, 12, 8, 16 1. how many lines of symmetry are in a 6-sided snowflake? 10, 11, 12, or 6 if you wanted to make hearts on your snowflake,, which sides of the right triangle would you have to draw
  23. algebra

    The perimeter of a triangle is 57in. The longest side is 13in. longer than the medium side, and the medium side is 7 in. more than the shortest side. find the length of each side of the triangle. The length of the longest side is ___in, the length of the
  24. Calculus

    Two sides of a triangle have lengths 8 m and 13 m. The angle between them is increasing at a rate of 0.08 radians /min. How fast is the length of the third side increasing when the angle between the sides of fixed length is π/3 radians. Please help I
  25. algebra

    1 1 7 -y - -= - 2 8 8 please help me! It isn't clear to me what this expression means. Can you clarify it? (one-half times "y") minus one-eighths equals seven-eighths or (1/2 * y)- 1/8= 7/8 solve the equation, then check your solution. Ok, this is how I
  26. math pls

    The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P. (d) Find the sizes of the other two angles of triangle PQR. (e) Find the length of the median drawn to side PQ. (f) Find the length of the
  27. Math

    1.) What is the conclusion of the following conditional? A number is divisible by 3 if the sum of the digits of the number is divisible by 3. A.) The number is odd. B.)The sum of the digits of the number is divisible by 3 C.) If the sum of the digits of a
  28. Maths

    The longest side of a triangle measures 267m if two angles are 37 and 48 find the shortest side of the triangle
  29. geometry

    Points P(1, 5) and Q(4, 1) on a coordinate grid represent side PQ of triangle PQR. What is the length of side PQ of the triangle?
  30. Math

    In an isosceles triangle,the shorter side is 20% shorter than the long sides.the perimeter is 15.4cm. how long is the shorter side?
  31. phys. help

    A 30-kg child coast down a hill on a 20-kg sled. She pushes off from the top of the hill with a velocity of 1 m/s. At the bottom of the hill, she is moving 4 m/s. If there is no heat generated when she slides down, how high is this hill? thank u
  32. (:

    help with Quadratic Equations and Functions: 5)Solve 2x2 +6x = 4 by completing the square. 6)Solve 3x2 - 6x- 24 = 0 using the quadratic formula. 7)The area of a circle is 25 in2. What is the radius, including the units? Area of a circle is ¢³r^2. 8)The
  33. math

    A triangle has two sides with equal length and a third side 16 meters long. If the perimeter is 42 meters, what is the length of each of the equal sides?
  34. geometry

    I got this problem wrong on a test and i want to know how to fix it. In triangle ABC, angle A is 20 degrees and side AC is 7.89 units, find the other sides and angles
  35. MAth

    The sides of a triangle are 15cm, 20cm, and 28cm. How long are the segments into which the bisector of the largest angle separates the opposite side?
  36. trig

    What is the shortest possible length of a triangle side facing an angle of 20 degrees, if one of the other sides is 5? (answer should be a decimal number, correct within 0.001)
  37. Shapes

    I know this seems like a somewhat silly question, but what shape is a pizza slice? I know most of us are going to say "triangle." Is it a triangle? Can a triangle have a curved line in it or do all lines have to be straight? I know we might say curvalinear
  38. MATHS-geometry

    how do you draw an obtuse angle triangle, construct the perpendicular bisector of each side Draw a triangle with one angle greater then 90 degrees. Find the midpoint of each side. Then draw a perpendicular to each side at each midpoint. The three lines may
  39. Trigonometry

    Let T be a right triangle with a hypotenuse of the length 37. If another side of the triangle is known to be 35, what must the third side of the triangle be?
  40. MATH

    The length of three sides of a triangle are (x+1)cm 2xcm and 3x+1)cm its perimeter is 30cm. Find the value of x and the length of wach sides of triangle
  41. math

    In an isosceles triangle, the perimeter is 75 cm and one of the sides is 25 cm. Find all its sides. Can you find all angles of the triangle? Explain your answer.
  42. Calculus

    Two sides of a triangle have lengths 8 m and 13 m. The angle between them is increasing at a rate of 0.08 radians /min. How fast is the length of the third side increasing when the angle between the sides of fixed length is π/3 radians.
  43. Math

    An equalateral triangle has the length of it's sides given as (y+3)cm, (2y-x)cm and (4x +3)cm.Find (a) the value of x and y (b)perimeter of the triangle (c) altitude of the triangle to the nearest whole number
  44. geometry

    An isosceles triangle has two 10.0-inch sides and a 2w-inch side. Find the radius of the inscribed circle of this triangle, in the cases w = 5.00, w = 6.00, and w = 8.00. Then Write an expression for the inscribed radius r in terms of the variable w , then
  45. geomery

    An isosceles triangle has two 10.0-inch sides and a 2w-inch side. Find the radius of the inscribed circle of this triangle, in the cases w = 5.00, w = 6.00, and w = 8.00. And Write an expression for the inscribed radius r in terms of the variable w , then
  46. Geometry

    An isosceles triangle has two 10.0-inch sides and a 2w-inch side. Find the radius of the inscribed circle of this triangle, in the cases w = 5.00, w = 6.00, and w = 8.00. Then Write an expression for the inscribed radius r in terms of the variable w , then
  47. geometry

    An isosceles triangle has two 10.0-inch sides and a 2w-inch side. Find the radius of the inscribed circle of this triangle, in the cases w = 5.00, w = 6.00, and w = 8.00. And Write an expression for the inscribed radius r in terms of the variable w , then
  48. Geometry

    If the perimeter of a triangle is 12, which of the following could be the length of one side of the triangle? a. 8 b. 7 c. 6 d. 5 Would the correct answer be d. 5? And how do you go about answering this type of question? I just guessed; I figured it was
  49. Maths(help me plz..!

    The sides of a triangle are of lenths x*-y*, x*+y* and 2xy units respectively. Prove that the triangle is a right angled triangle
  50. Geometry

    Find the area of each equilateral triangle. The triangle has 12cm sides. The triangle has 10in altitudes.
  51. math

    The side of a triangle are in the ratio 2:3:4.If the shortest side measure 6cm,what is the perimeter of the triangle?
  52. maths

    A triangle has side lengths in the ratio 3:4:5. I the perimeter of the triangle is 84 cm, what is the length of the shortest side?
  53. math

    One side of triangle is 10 centimetres, two angles next to that side are 30° and 60°. I need to find all three angle bisectors of triangle.
  54. Angle Math Help!

    Which value could be the length of the missing side of the triangle? (the side of the triangle has 5, the bottom has a 12 and the top has a X)
  55. math

    what is the perimeter of an equilateral triangle if one side of the triangle has the same length as the side of a square with an area of 25?
  56. calculus

    The base of a cell phone tower is an equilateral triangle with sides 10 ft long. How far is one corner of the triangle from the center of the of the triangle?
  57. math

    the perimeter of isosceles triangle is 70 d. of the length of a leg of the triangle is 5 dm less than twice the lenth of the base, find the lengths of the sides of the triangle.
  58. geometry

    triangle PQR is isosceles.S and T are the mid points of the equal sides PQ and PR respectively.prove that triangle QTR=triangle RSQ.
  59. TRIANGLE HELP!!!! (MATH!)

    The two triangles above are similar. a. Find x using the ratio of the sides 12 cm and 16 cm: x/20 = 12/16 Show your work. b. Find x using the ratio of the sides 6 cm and 8 cm. Show your work. c. Explain why the answers to (a) and (b) should be the same.
  60. Math

    Could anyone help me udnerstand the base angle theorem and the converse base angle theorem better?..I don't wuite understand them, and I have homework on it. Marie: The base angle theorem: If in a triangle two of the side are equal length, then the angles
  61. math

    Triangle ABC has two sides that measure 12 inches and 16 inches. Which could be the measures of the corresponding sides of a triangle that is similar to triangle ABC? 1. 10 in and 14 in 2. 9 in and 12 in 3. 6 in and 10 in 4. 3 in and 8 in
  62. math

    Triangle ABC has two sides that measure 12 inches and 16 inches. Which could be the measures of the corresponding sides of a triangle that is similar to triangle ABC? 1. 10 in and 14 in 2. 9 in and 12 in 3. 6 in and 10 in 4. 3 in and 8 in
  63. pre-algebra

    The perimeter of an equilateral triangle is 7 inches more than the perimeter of a square,and the side of the triangle is 5 inches longer than the side of square.Find the side of the triangle.
  64. Math

    The sides of a triangle have the equations y=-1/2x+1, y=2x-4, and y=-3x-9. Verify that the triangle is an isosceles right triangle. Algebraic solutions only!
  65. Math

    Triangle ABC is circumscribed about circle O and D,E, and F are points of tangency. If AD= 5, EB= 5 and CF= 10, find the lengths of the sides of the triangle and show that the triangle is isosceles
  66. Maths Congruence

    (1)Are two triangles congruent if two sides and an angle of one triangle are equal to two sides and an angle of the other?If not then under what conditions will they be congruent? (2)How to construct Triangle(ABC) and Triangle(PQR)such that they are equal
  67. Math

    Answer with Always, Sometimes or Never True. Kindly explain why so that I can understand. Thanks. 1. An interior angle and an exterior angle of a triangle are supplementary. 2. The bisector of an angle of an isosceles triangle is also a perpendicular
  68. Art

    I left out the following sentences. Thank you, Writeacher. 1)He writes to his mum about the incident. 2) He is critical of the war and turns against those who think that it is glorious and fitting to die for one's country. 3) His friend dies because he is
  69. geometry

    Prove that a triangle with sides : x^2-1, 2x, and x^2 +1 is a right triangle. i substituted the "x"s with 2 and got 5, 4, and 3 and i said that because of the common pythagorean triplets this triangle is a right trianlg is there another way to prove this
  70. Math

    I recently inquired how to solve a right triangle. I was referred to the Laws o Sine & Cosine quite rightly. I have subsequently found a converter on the net which takes all the headache out of arriving at the correct answers. The thing is I still do not
  71. mathematics

    a right angled triangle abc whose sides are 5cm,12cm and 13cm respectively is revolved arpund the side 12 cm.find the volume of the solid thus obtained.
  72. math

    An isosceles triangle has a base 9.6 units long. If the congruent side lengths have measures to the first decimal place, what is the shortest possible length of the sides?
  73. geometry

    An isosceles triangle has a base of 9.8 units long. If the congruent side lengths have measures to the first decimal place, what is the shortest possible length of the sides.
  74. 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
  75. geometry

    Two triangles each have adjacent sides of length 120 feet and 180 feet. The first triangle has an angle between the two sides of 40 degrees, while the second triangle has an angle between the two sides of 60 degrees. What is the approximate difference
  76. 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?
  77. math

    Triangle HIJ is similar to triangle LMN. Side LM measures x + 1, side MN measures 2x and side NL measures 3x – 1. Side HI measures 12 and side JH measures 26.4. Find the value of x
  78. MATH

    Triangle DEF is similar to triangle PQR. Side DE measures 3, side EF measures 7 and side FD measures 9. Side PQ measures 5x – 25 and side QR measures 6x + 4. Find the value of x.
  79. math

    Triangle DEF is similar to triangle PQR. Side DE measures 3, side EF measures 7 and side FD measures 9. Side PQ measures 5x – 25 and side QR measures 6x + 4. Find the value of x.
  80. Math

    Use the congruent triangles shown to answer question 6 and 7. 6. A. B. C. D. 7. Side BC is congruent to which side? A. ZX B. YX C. XY D. YZ 8. in the image below, ABC ~ DEF What is the length of EF and the measure of A. 27; 41 B. 27; 49 C. 36; 41 D.45; 49
  81. prealgebra

    A building lot in a city is shaped as a 30° -60° -90° triangle. The side opposite the 30° angle measures 41 feet. a. Find the length of the side of the lot opposite the 60° angle. b.Find the length of the hypotenuse of the triangular lot. c. Find the
  82. math

    A building lot in a city is shaped as a 30° -60° -90° triangle. The side opposite the 30° angle measures 41 feet. a. Find the length of the side of the lot opposite the 60° angle. b.Find the length of the hypotenuse of the triangular lot. c. Find the
  83. Algebra

    The perimeter of MNO is equal to the perimeter of square ABCD. If the lengths of the sides of the triangle are represented by 4x + 4, 5x - 3, and 17, and one side of the square is represented by 3x, find the length of a side of the square.
  84. algebra

    two equal sides of an isosceles triangle are (3x-1)and (2x+2) units . third sides is 2x units . finds x and the perimeter of the triangle
  85. math

    Triangle I has sides with lengths 2 2/3 cm, 4 1/2 cm and 3 cm. Triangle II has sides with lengths 8 cm, 13 1/2 cm and 9 cm. Are these triangles similar? If yes, what is the ratio of correspondence?
  86. I THINK I FIGURED IT OUT!

    Pretend you have 2 triangles that are similar. Triangle 1 has sides that are 18 and 24. Triangle 2 has sides that are x and 6. What is the value of x? -6 -8 <--- THIS ONE! -30 -72 Because... x/24 (X) 6/18 24 x 6 = 144 144 / 18 = 8 I'll give it a go.
  87. Geometry

    Triangle I has sides with lengths 2 2/3 cm, 4 1/2 cm and 3 cm. Triangle II has sides with lengths 8 cm, 13 1/2 cm and 9 cm. Are these triangles similar? If yes, what is the ratio of correspondence? A.)Yes;1/3 B.)No C.)Yes;2/3
  88. Math

    The side of a triangle have lengths of x, x+4, and 20. Specify those values of x which the triangle is acute with longest side 20.
  89. Calculus

    The hypotenuse of a right triangle has one end at the origin and one end on the curve y=x^(7)e^(-7x) , with x greater than or equal to 0. One of the other two sides is on the x-axis, the other side is parallel to the y-axis. Find the maximum area of such a
  90. 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.
  91. Pre-Algebra

    Q: A building lot in a city is shaped as a 30° -60° -90° triangle. The side opposite the 30° angle measures 41 feet. a. Find the length of the side of the lot opposite the 60° angle. b. Find the length of the hypotenuse of the triangular lot. C.Find
  92. math

    The base of an isosceles triangle is four less than the sum of the lengths of the legs. If the perimeter of the triangle is 44, find the length of the three sides of the triangle.[ Only an algebraic solution will be accepted ]
  93. geometry

    In triangle ABC, • AB is x cm long • BC is twice the length of AB • AC is 10 cm longer than AB. The perimeter of the triangle is 42 cm. Write down an equation in x and solve it. Use your answer to find the lengths of the sides of the triangle.
  94. 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???
  95. Variable

    SOLVING EQUATIONS WITH THE VARIABLE ON BOTH SIDES Solve the equation. Then check your solution. 4x-9 = 7x+12 Just remember that one can add, subtract, multiply, divide, etc but whatever is done to one side must be done to the other side of an equation. 4x
  96. 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
  97. 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.
  98. Pre Cal

    6-x=2x+9 If you are to solve the equation for x, first try to get the variable on one side of the equation. Let's subtract 2x from both sides to start (whatever operation you do to one side of an equation you must do to the other side as well): 6 - x - 2x
  99. Math

    The ratio of corresponding sides of two similar triangles is 2:7. The sides of the smaller triangle are 16 centimeters, 22 centimeters and 28 centimeters long. What is the perimeter of the larger triangle?
  100. maths

    1.how many non congruent right triangles with positive integer leg lengths have areas that are numerically equal to 3 times their perimeters? 2.a triangle with side lengths in the ratio 3:4:5 is inscribed in a circle of radius 3.what is the area of the