Square (second power, quadratic) - practice for 12 year olds - last page
Number of problems found: 700
- Square
Calculate the area of the square with diagonal 64 cm. - Numeric question
Is it possible a negative, irrational number? - Rotating cone II
Calculate the area of the surface of a rotating cone with base radius r=15 cm and height h=13 cm. - Is right?
Is a triangle with sides 51, 56, and 77 right triangle?
- Rectangles
How many rectangles with area 3152 cm² whose sides are natural numbers? - Equilateral triangle
Calculate the side of an equilateral triangle if its area is 886 mm². - Circle
How big is an area of a circle if its circumference is 51.2 cm? - Forest nursery
In the Forest nursery plant, one birch to 1.2 m². Calculate how many plants are planted in the area 738 acres. - Magnification of the square
If we increase the square side, increase the area of the 70 %. About what percentage was increased on its side?
- Trapezium zoom
How many times increase the area of the trapezoid if all sides and altitude increase 5 times? - Rectangle A2dim
Calculate the side of the rectangle if you know that its area is 2590 m² and one side is 74 m. - Circle arc
The circle segment has a circumference of 135.26 dm and 2096.58 dm² area. Calculate the radius of the circle and the size of the central angle. - Present
The gift box has a rectangular shape with dimensions of 8×8×3 cm. Miloslav wants to cover it with square paper with sides of 18 cm. How much paper left him? - Shape
The plane shape has a maximum area 677 mm². Calculate its perimeter if the perimeter is the smallest possible.
- Maximum area of rhombus
Calculate the interior angles at which the equilateral rhombus has a maximum area. - Cube wall
The surface of the first cube wall is 64 m². The second cube area is 40% of the surface of the first cube. Find the length of the edge of the second cube (x). - Scientists from the Social Insurance
Aaron became sick leave, and social insurance granted him sick leave of 13.8211695 EUR per day. Calculate the number of days to save Aaron from rolling in the price of 0.1 Eur if they postpone the amount of the last decimal place of his sickness every day - Ladder
Ladder 8 m long is leaning against the wall. Its foot is 1 m away from the wall. At which height does the ladder touch the wall? - Reconstruction of the corridor
Calculate how many minutes will be reduced to travel a 167 km long railway corridor, where the maximum speed increases from 120 km/h to 160 km/h. Calculate how many minutes will shorten travel time if we consider that the train must stop at 6 stations. Ea
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Square (second power, quadratic) - math word problems. Maths practice for 12-year-olds.