Area + square (second power, quadratic) - practice problems - page 75 of 77
Number of problems found: 1524
- Pipeline
How much percent has changed (reduced) the pipe cross-section area if the circular shape changed to square with the same perimeter? - Circles 2
Calculate the area bounded by the circumscribed and inscribed circle in a triangle with sides 16 cm, 20 cm, and 15 cm. - Square
Calculate the area of the square with diagonal 64 cm. - Sphere
The sphere's surface is 12100 cm², and the weight is 136 kg. What is its density?
- Rectangular field
One dimension of the rectangular field is 56 m greater than the second dimension. If each side of the rectangle increases by 10 m increases, the surface field is 1480 m². Find dimensions of the field. - Diagonals of the rhombus
Calculate the height of the rhombus whose diagonals are 18 cm and 6 cm. - Garden
How many steps of 76 cm circumvent square garden with area 1.8 ha? - Special cube
Calculate the cube's edge if its surface and volume are numerically equal numbers. - Cube
The sum of lengths of cube edges is 56 cm. What are its surface and volume?
- Pipes
The water pipe has a cross-section 1184 cm². An hour has passed 743 m³ of water. How much water flows through the pipe with cross-section 300 cm² per 6 hours if water flows at the same speed? - Rotating cone II
Calculate the area of the surface of a rotating cone with base radius r=15 cm and height h=13 cm. - Kitchen
The kitchen roller has a diameter of 70 mm and a width of 359 mm. How many square millimeters roll on one turn? - Rectangles
How many rectangles with area 3152 cm² whose sides are natural numbers? - Sphere slices
Calculate the volume and surface of a sphere if the radii of a parallel cut r1=32 cm, r2=47 cm, and its distance v=21 cm.
- Equilateral triangle
Calculate the side of an equilateral triangle if its area is 886 mm². - Diamond
Find the side of the diamond if its area is S = 490 cm² and one diagonal u2 = 39 cm. - 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. - Black building
Keith built building with a rectangular shape 6.5 m × 3.9 m. Calculate how much percent exceeded the limit 25 m² for a small building. A building not built by the law is called a "black building". Calculate the angle that the walls were clenching each oth
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