Rectangle - practice for 12 year olds - page 12 of 19
Number of problems found: 372
- Calculated 4023
How much does the glass of a display cabinet with dimensions of 3m x 2m and a thickness of 10mm weigh if the weight of the glass is calculated based on its specific volume weight, which is 2600 kg/m³? Therefore, the weight of one sheet of glass measuring - Cuboid - edges
The cuboid has dimensions in a ratio of 4:3:5. The shortest edge is 12 cm long. Find: The lengths of the remaining edges The surface of the cuboid The volume of the cuboid - The floor
The floor in the gym has dimensions of 6 * 12m. Parquets have a size of 30 * 20cm. Parquets are packed in packages of 50 pieces, and one parquet package costs 150 CZK. How many packages will we need? How much will it cost? - Rectangular 50093
The forestry plant plants new trees on a rectangular area 1.8 km long and 880 m wide. In the first week, they planted 3/11 of the total area. In the second week, they had 4/9 of the total area. How many hectares are left to plant?
- Perimeter 20263
The base of the block has the shape of a rectangle 2.6 m long and 2.2 m wide. The block's height is 1/8 of the base's perimeter. Calculate the volume and area of the block. - Procedure 7191
I have a board measuring 3.2 m x 1.23 m, and I need to draw it in A3 format, and it has a size of 42 cm x 29.7 cm. How do I find out the ratio in which to draw the board? I will also ask for the procedure. - Water-wetted 35193
The block-shaped pool with dimensions of 25 m and 12.5 m and a depth of 2 m is filled with 4/5 of water. Calculate the area of water-wetted areas. - Dimensions 4560
The picture frame is made of a 6 cm wide bar. The dimensions of the image are 74 and 57 cm. Are the inner and outer edges of the frame two similar baffles? - Dimensions 13671
How high does a prism with the dimensions of the base 1.7 dm and 5 dm reach if it fits 1032 dm³?
- Painter 3
Dad wants to paint the wall high 250 cm, wide 230 cm with wallpaper. How many meters must he buy wallpaper if the wallpaper width is 60 cm? - An architect
An architect makes a model of a new house. The model shows a tile patio in the backyard. In the model, each tile has a length of 1/2 inch and a width of 1/6 inch. The actual tiles have a length of 2/3 feet and a width of 2/9 feet. What is the ratio of the - Decimeters 55263
Mom wants to sew a tablecloth on a table measuring 75 × 110 cm so that it protrudes two decimeters over the edge on each side. She adds on a 20 cm reserve. How many laces to buy to sew it? - Smallest 44681
What is the smallest width of the pool to be divided without rest into equally wide tracks, either 80cm or 1m, or 120cm? - Prism 4 sides
Find the surface area and volume four-sided prism high 10 cm if its base is a rectangle measuring 8 cm and 1.2 dm.
- Colored paper
Can a 4 cm, 3 cm, and 2 cm block be glued with a colored quarter of paper measuring 7 cm and 8 cm? - Floor
The rectangular floor of the living room has a length of 5.4 meters and a circumference of 17.2 meters. What is its width? - Hectare
The rectangular plot has a width of 2500 cm and is 0.065 km long. How much CZK will we pay for covering the land with a lawn at the price of CZK 3,500 per hectare? - Process 81358
Teo went around the pool twice. He took 160 steps in the process. He took 25 steps along the length. How much area does the pool take up, and how long is Tro's stride? 0.5m? - Fabric 29531
To sew a dress, you need 2 meters of fabric 150cm wide. How many meters of cloth do we need for the same dress if the fabric is only 90 cm wide?
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