Perimeter - 7th grade (12y) - math problems
Number of problems found: 175
- Perimeter to area
Calculate the area of a circle with the perimeter 15 meters.
- Perimeter of the circle
Calculate the perimeter of the circle in dm, whose radius equals the side of the square containing 0.49 dm2?
- Circle
What is the radius of the circle whose perimeter is 10 mm?
- Square - increased perimeter
How many times is increased perimeter of the square, where its sides increases by 150%? If the perimeter of square will increase twice, how much% increases the content area of the square?
- The perimeter 2
The perimeter of the quadrilateral a = 1m b = 14/5m c = 2 3/10m d = 1 4/5m?
- The perimeter
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?
- Parallelogram perimeter
The ABC triangle with sides a = 5cm, b = 3cm, c = 40mm has the center of the sides of the K,L,M. How many cm have the KBLM parallelogram perimeter?
- Perimeter of square
The square has a circumference 17cm. What is its area?
- The perimeter 3
The perimeter of a rectangle is 35 cm. The ratio of the length to its width is 3:2. Calculate the dimensions of the rectangle
- Perimeters
A rectangle has a perimeter of 16p centimeters, it had a width of 2p centimeters. Each side of an equilateral triangle is 1/2 the length of the rectangle. Find the total perimeter of the rectangle and the triangle if p=8.
- Height
Calculate height of the equilateral triangle if its perimeter is 8?
- Area to perimeter
Calculate circle circumference if its area is 254.34cm2
- Radius
Determine the radius of the circle, if its perimeter and area is the same number.
- Square
Calculate the perimeter and the area of square with a diagonal length 30 cm.
- The central
The central angle of a sector is 30° and the radius is 15 m. Determine its perimeter.
- Cross five
The figure on the picture is composed of the same squares and has a content of 45cm². What's its perimeter?
- Midpoints
Triangle whose sides are midpoints of sides of triangle ABC has a perimeter 45. How long is perimeter of triangle ABC?
- Find the
Find the radius of the circular base of the vessel, whose perimeter is 2.51 m. Write the result to one decimal place in meters. Via the π sign - Ludolph's number
- Trapezoid ABCD
Calculate the perimeter of trapezoid ABCD if we know the side c=15, b=19 which is also a height and side d=20.
- A rectangle's
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
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Perimeter - math word problems. Examples for 7th grade (seventh).