Planimetrics - practice for 11 year olds - page 10 of 30
Number of problems found: 581
- Calculate 2948
Calculate the length of a circle with a diameter of 7 cm. - Perimeter 2890
The perimeter of the square is 380 dm. What will be its area? - Calculate 2566
Calculate the area of a regular hexagon with side a = 2cm - Squares
Calculate the area of the square and result round to square decimeters. a) a = 1,52 dm b) a = 13 268mm c) a = 562 cm d) a = 1,52 m - Area of square
Calculate the area of the square whose perimeter is 24 dm. - Parallelogram
In the parallelogram, we know one internal angle of 67°33`. Calculate the other internal angles. - Diameter
The diameter of a circular plot is 14 dm. Find the circumference and area. - Ferris wheel
Ferris wheel reaches 22 m tall and moves at the speed of 0.5m/s. During one drive wheel rotates three times. What is the total drive time? - Wall painting
The wall is 4 meters wide and 2 meters high. The window in the wall has dimensions of 2x1,8 meters. How many liters of color are needed to paint two-layer these walls if the one m² needs 1 liters of paint? - Seeds
The field has a rectangular shape with dimensions of 128 m and 350 m. How many kg of seed is needed for sowing if the one m² will consume 25 g of seeds? - Trapezoid ABCD
ABDC is a trapezoid in which AB and CD are parallel sides measuring 6 and 9, respectively. Angles ABC and BCD are both right angles. Find the length of segment BD. - Circle - easy 2
The circle has a radius of 6 cm. Calculate its diameter, perimeter, and area: - Grass seeds
How many kg of grass seed is needed to be sowing a circular field with a diameter of 120 meters when the one m² should be used in 0.8 grams seeds? - Pulley
On wheels with a diameter of 40 cm is fixed rope with the load. Calculate how far the load is lifted when the wheel turns seven times. - Sidewalk
The city park is a circular bed of flowers with a diameter of 8 meters. Around it, the whole length is 1-meter wide sidewalk. What is the sidewalk area? - Athlete
How long length an athlete run when the track is a circular shape radius of 120 meters, and an athlete runs five times in the circuit? - Two circles
Two circles with a radius of 4 cm and 3 cm have a center distance of 0.5cm. How many common points have these circles? - Clocks
How long does the track travel the second hand of a clock in 30 hours, which is 4 cm long? - Minute-hand
How long will a large (minute) hand travel on the clock for 48 minutes if its length is 56 cm? - Rectangle
The rectangle area is 182 dm², and its base is 14 dm. How long is the other side? Calculate its perimeter.
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