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

  1. 👍 0
  2. 👎 0
  3. 👁 155
  1. u do the math

    1. 👍 0
    2. 👎 0
  2. Shortest side = X cm.
    Middle side = (X + 3)cm.
    Longest side = 2(x + 3) = (2X + 6)cm.

    X + (X + 3) + (2X + 6) = 45cm,
    4X + 9 = 45,
    4X = 45 - 9 = 36,

    X = 9cm = Shortest side.
    X + 3=9 + 3 = 12cm=Middle length side.
    2X + 6 = 18 + 6 = 24cm = Longest side.

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. geometry

    the perimeter of a triangle is 59 inches. the longest side is 11 inches longer than the medium side, and the medium side is 3 inches more than the shortest side. Find the length of each side.

    asked by Jess on May 4, 2010
  2. pre algebra

    A flower bed is in the shape of a triangle with one side twice the length of the shortest​ side, and the third side is 30 feet more than the length of the shortest side. Find the dimensions if the perimeter is 138 feet

    asked by Mary on June 30, 2016
  3. math

    The perimeter of a scalene triangle is 14.5 cm. The longest side is twice that of the shortest side. Which equation can be used to find the side lengths if the longest side measures 6.2 cm?

    asked by name on February 7, 2019
  4. Math

    1. Find the length of the missing side of the right triangle (A triangle is shown to have a base of 15 cm and a height of 8 cm. The slope of it is unmarked A. 289 cm B. 17 cm *** C. 23 cm D. 4.79 cm 2. Find the length of the

    asked by Neru on April 3, 2019
  1. Math

    A certain triangle has a perimeter of 3080 mi. The shortest side measures 71 mi less than the middle​ side, and the longest side measures 373 mi more than the middle side. Find the lengths of the three sides.

    asked by Jess on September 6, 2018
  2. math

    One side of triangle is 4cm longer than the shortest side and 2cm shorter than the longest side. The perimeter is 38cm. Find the dimension of the triangle

    asked by Mark lester on August 23, 2019
  3. maths

    THE Perimeter of a triangle is 2004. One Side of a triangle = 21 Times the other. the shortest side is integral length. SOLVE For lengths of the sides of the traingle in every possible case.

    asked by sonia on December 31, 2012
  4. geometry

    An angle bisector of a triangle divides the opposite side of the triangle into segments 6 cm and 5 cm long. A second side of the triangle is 6.9 cm long. Find the longest and shortest possible lengths of the third side of the

    asked by Lexi on February 1, 2012
  1. Algebra

    The backyard of a house is in the shape of a triangle. The longest side is 4 ft shorter than twice the shortest side. The third side is 4 ft less than the longest side. If the perimeter of the yard is 162 ft, what are the lengths

    asked by Jamie on February 9, 2012
  2. algebra

    Clara is building a triangular garden. She wants the length of the longest side to be three more than twice as long as the length of the shortest side, and the third side will be twelve feet long. What expression could she write

    asked by studentE2020 on April 21, 2017
  3. Math

    he perimeter of a triangular-shaped garden is 58 feet. The longest side of the garden is 3 times the length of the shortest side of the garden. The other side of the garden is 18 feet more than the shortest side of the garden.

    asked by Lora on October 19, 2012
  4. 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

    asked by Ernie on December 1, 2014

You can view more similar questions or ask a new question.