Division + area of a shape - practice problems - page 4 of 7
Number of problems found: 121
- Reservoir 17043
The reservoir has the shape of a sphere with a diameter of 12 m. How many kg of paint is needed to paint a reservoir if it is painted twice and one kilogram is enough to paint about 8m²? - Dimensions 16813
Calculate how many bricks we will need to build a room that should be 1.8 m wide, 2 m long, and 2.4 m high. The dimensions of the brick are 25 cm x 60 cm. - Playground
On the special playground, there are 81 square sectors, each with a side of 5 m. How many players can fit on the playground if each player needs a 75 m² area to play? - Dimensions 14883
Žofka decided to wallpaper one side of her room. How long does he have to go to school if the dimensions are 3 m and 2.4 m?
- Football 14841
The tennis court measures 40.20 meters. The football field measures 40.90 meters. How many times is the football field compared to the tennis court? - Paper cut
How many 9 cm² figures can we cut from 36 dm² paper? - Two bodies
The rectangle with dimensions 8 cm and 4 cm is rotated 360º first around the longer side to form the first body. Then, we similarly rotate the rectangle around the shorter side b to form a second body. Find the ratio of surfaces of the first and second bo - Rectangular 14333
The rectangular plot has an area of 200 square meters. The length of the land is 20 meters. How wide is the land? - Everyone 13843
The orchard measures 24.6 meters x 70 meters. How many trees can we plant in it if everyone needs at least 12 square meters?
- Paint cans
How many paint cans do we need to paint the floor in two rooms with dimensions of 6.8m x 4.5m and 6m x3.8m? One can is for 6 m². - Times 12001
How many times is 5 dm² less than 100 m²? - Cheops pyramid
The Pyramid of Cheops is a pyramid with a square base with a side of 233 m and a height of 146.6 m. It is made from limestone with a density of 2.7 g/cm³. Calculate the amount of stone in tons. How many trains with 30 twenty-ton wagons carry the stone? - Determine: 10182
The lengths of the edges of two cubes are in the ratio 1:2, determine: a) the ratio of the area of the wall of the smaller cube to the area of the wall of the larger cube. b) the ratio of the surface of the smaller cube to the surface of the larger cube. - Rectangular 9401
Matrix E is a rectangular matrix that contains 48 elements and four rows. How many columns does this matrix have?
- Hexagon
Divide a regular hexagon into lines into nine completely identical parts; none of them must be in a mirror image (you can only rotate individual parts arbitrarily). - Playground 8418
The playground has the shape of a square. One side is 28m long. The grass is in the middle of the field. What area does the grass cover? - Area of rectangle
How many times will we increase the area of the rectangle if we increase twice the length and at the same time we decrease the width by half? - Circle 7794
Draw a circle k, r = 4cm, and divide it into two parts in a ratio of 1:5. - Cylinder 7744
What is the height of the cylinder if the volume is 8,478 cubic meters and the area of the base of the cylinder is 706.5 cm square?
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