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?
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
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.
Calculate height of the equilateral triangle if its perimeter is 8?
- Area to perimeter
Calculate circle circumference if its area is 254.34cm2
Determine the radius of the circle, if its perimeter and area is the same number.
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?
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
Perimeter - math word problems. Examples for 7th grade (seventh).