Area - math word problems - page 147 of 150
Number of problems found: 2982
- 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?
- Observatory
The observatory dome has the shape of a hemisphere with a diameter d = 14 m. Calculate the surface.
- 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 72 mm and a width of 287 mm. How many square millimeters roll on one turn?
- Rectangles
How many rectangles with area 8855 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.
- Sphere cuts
At what distance from the center does the sphere intersect with the radius R = 46 plane if the cut area and area of the main sphere circle are in ratio 2/5?
- Heron backlaw
Calculate the unknown side in a triangle with sides 24 and 40 and area 299.6.
- Equilateral triangle
Calculate the side of an equilateral triangle if its area is 886 mm².
- Right triangle
Right triangle legs have lengths 630 mm and 411 dm. Calculate the area of this triangle.
- Triangle
Calculate the triangle's heights ABC if the triangle's sides are a=26, b=81, and c=73.
- Diamond
Find the side of the diamond if its area is S = 490 cm² and one diagonal u2 = 39 cm.
- Circle
How big is the area of a circle if its circumference is 51.2 cm?
- The cap
A rotating cone shapes a jester hat. Calculate how much paper is needed for the cap 53 cm high when the head circumference is 45 cm.
- Copper sheet
The copper plate has a length of 2.2 m, width 92 cm, and weighs 5.6 kg. What is the plate thickness if 1 m³ weighs 8732 kg?
- Aquarium II
Calculate how much glass we need to build an aquarium with a rectangular shape with a base of 65 cm × 52 cm and a height of 74 cm if the waste is 2%. The aquarium doesn't have top glass.
- Forest nursery
In the Forest nursery plant, one birch to 1.2 m². Calculate how many plants are planted in the area of 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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