# Perimeter - 8th grade (13y) - math problems

#### Number of problems found: 225

- Perimeter of the circle

Calculate the perimeter of the circle in dm, whose radius equals the side of the square containing 0.49 dm^{2}? - 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? - Perimeter of a rectangle

If the perimeter of a rectangle is 114 meters and the length is twice the width plus 6 meters, what are the length and width? - 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? - Height

Calculate height of the equilateral triangle if its perimeter is 8? - Equilateral triangle v2

Equilateral triangle has a perimeter 36 dm. What is its area? - Area to perimeter

Calculate circle circumference if its area is 254.34cm^{2} - 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. - Cross five

The figure on the picture is composed of the same squares and has a content of 45cm². What's its perimeter? - 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 - Perimeter and legs

Determine the perimeter of a right triangle if the length of one leg is 75% length of the second leg and its content area is 24 cm^{2}. - 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 - OPT

What is the perimeter of a right triangle with the legs 14 cm and 21 cm long? - Square diagonal

Calculate the length of the square diagonal if the perimeter is 172 cm. - Perimeter of circle

Calculate the circumference of described circle to the triangle with sides 9,12,15 cm. - Rhombus HP

Calculate area of the rhombus with height 24 dm and perimeter 12 dm. - Rectangle - sides 4

Perimeter of the rectangle is 72 cm. Calculate the length of the sides that are in the ratio 3:5. - Parallelogram

The parallelogram has sides lengths in the ratio 3: 4 and perimeter 2.8 meters. Determine the lengths of the sides.