Perimeter - practice for 12 year olds - page 2 of 17
Number of problems found: 325
- The perimeter 8
The perimeter of a rectangle is 40cm. If its width measures 5cm, what is its area? - The length
The length of the circle is 24 cm. What is the circular arc length of the corresponding angle of 30°? - Circle - easy 2
The circle has a radius of 6 cm. Calculate its diameter, perimeter, and area: - Height
Calculate the height of the equilateral triangle if its perimeter is 48.
- The length 14
The length of the rectangle is 6cm, and the perimeter of the rectangle is 20 cm. Find the rectangle's breadth. Find the area of the rectangle. - A farmer 6
A farmer made a square chicken coop of 6 1/3m. Determine the perimeter of the chicken coop. (Recall: perimeter =add all sides) - The perimeter 2
The perimeter of the quadrilateral a = 1m b = 14/5m c = 2 3/10m d = 1 4/5m? - Square
Calculate the square's perimeter and area with a diagonal length of 30 cm. - Bicycle wheel
After driving 157 m, the bicycle wheel rotates 100 times. What is the radius of the wheel in cm?
- Diameter
The diameter of a circular plot is 14 dm. Find the circumference and area. - Clock
How long is the trajectory of the second hand of hours for day, if it is 15 mm long? - Circumference 3254
Calculate the height of a diamond with a circumference of 21.6cm and an area of 21.6cm squares. - Diamond - simple
Calculate the circumference and area of the diamond if the side is 5 cm long and the height is 3 cm long. - Drawer
The rectangular face of a drawer has a perimeter of 108 cm and a width of 18cm. Find the length and the area of the rectangular face of the drawer.
- Perimeter of circle
Calculate the circumference of a described circle to the triangle with sides 9,12,15 cm. - Rhombus 4
The circumference of the rhombus is 44 cm, and its height is 89 mm long. Calculate its area. - Ratio of perimeters
Rectangle ABCD has dimensions 3 cm and 4 cm, KLMN rectangle has dimensions 4 cm and 12 cm. Calculate the ratio of the perimeter ABCD and perimeter KLMN. - Tree trunk
Calculate the average tree trunk with a circumference of 192 cm. - Circumference 8395
The circle's circumference is 321 dm larger than the diameter of the circle. What is the average?
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