Perimeter - 7th grade (12y) - math problems

Number of problems found: 194

  • Matilda
    room Matilda measures the perimeter of her bedroom to determine how many feet of border she needs to go around the tops of the walls. Two walls are each 96 inches long, and two walls are each 3 yards long. She pays $30 for border that costs $1 per foot. What a
  • Perimeter - rectangle
    rectangles Find the perimeter of the rectangle. A rectangle with a base of (3 5/6) m and a height of (2 3/7) m Its perimeter is x= meters. (Use fraction in your answer. )
  • A perimeter
    paralleogram_axes A perimeter of a parallelogram is 2.8 meters. The length of one of its sides is equal to one-seventh of the entire perimeter. Find lengths of the sides of the parallelogram.
  • A rectangular 4
    garden A rectangular garden has a length of 57 m and a width of 42 m. Calculate of how many m2 will decrease the area of a garden, if the ornamental fence with a width of 60 cm will be planted inside its perimeter.
  • Quadrilateral eq3
    drak Three sides of a quadrilateral are equal to the foreside which is 16 cm long. What is the length of the one with equal sides if the perimeter is 58 cm?
  • Perimeter of a triangle
    triangles If the perimeter of a triangle is 6 2/3 cm and the lengths of two of its sides are 2 1/2 cm and 3 1/3 cm, find the length if the third side
  • The perimeter 6
    stvrorec The perimeter of quadrilateral is 442.95 cm. If the three known sides measure 84.56 cm,132.77 cm, and 82.75 cm, how long is the fourth side?
  • What is 8
    rectangle What is the perimeter of a rectangle with side lengths of ¾ inch and ⅔?
  • Area and perimeter 2
    rectangle_diagonals Find the area and the perimeter of a rectangle of length 45 1/2 cm and breadth 16 2/3 cm.
  • Diamond PQOR
    kosostvorec In the diamond PQOR, the diagonal RQ is 4 cm long and the angle RPQ is 60°. What is the circumference of this diamond?
  • Minute hand
    clocks What is the distance the minute hand of the clock travels in 12 minutes, if the diameter of the clock is 30 cm and the hand extends to a distance of 2 cm from the edge of the clock?
  • Perimeter of rhombus
    kosodlznik The area of the rhombus is 32 cm2. One side of it measures 10 cm. The height on the other side measures 5 cm. What is the circumference of this rhombus?
  • Perimeter of a rectangle
    rectangles Find the perimeter of a rectangle with a length of 1/2 feet and a width of 1 1/3 feet
  • Quadrilateral
    stvorcove-cisla The perimeter of a quadrilateral (four sided plane shape) is 125 cm . If the three known sides measure a=12 cm, b=45 cm, and c=30.5 cm, how long is the fourth side?
  • The perimeter
    triangle The triangle has one side 5 cm long and the another 11 cm long. What can be the smallest and what is the largest perimeter?
  • A bicycle
    cyclist A bicycle wheel has a diameter of 63 cm. Calculate how many times the wheel turns round in travelling 19.8 km .
  • The parallelogram
    rovnobeznik The parallelogram has one side 2 dm long, which is one-sixth of its circumference. How many cm does the other side of the parallelogram measure?
  • A bug
    bug A bug was sitting on the tip of a wind turbine blade that was 24 inches long when it started to rotate. The bug held on for 5 rotations before flying away. How far did the bug travel before it flew off? Exact answer.
  • A rectangle's
    rectangles2 A rectangle's length is 3 times more than twice its width. If the perimeter of the rectangle is 60 feet. What is the length of the rectangle
  • Round skirt
    medzikruzie2 The cut on the round skirt has the shape of an annulus. Determine how much m² of fabric will be consumed on an 80 cm long skirt. The circumference of the waist is a circle with a smaller radius and is 69 cm.

Do you have an exciting math question or word problem that you can't solve? Ask a question or post a math problem, and we can try to solve it.



We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.



Perimeter - math problems. Examples for 7th grade (seventh).