Area - practice for 11 year olds - page 30 of 31
Number of problems found: 609
- Trapezium
Find the height of the trapezium ABCD, which has an area 77.5 cm² and base lengths 16 cm and 15 cm. - Quadrant II
Calculate the radius of the quadrant, which area is equal to the area of the circle with radius r = 15 cm. - Tiles
How many 37 cm square tiles will cover a floor 11.84 m by 17.39 m? - Pool
Mr. Peter builds a pool shape of a four-sided prism with a rhombus base in the garden. The base edge length is 8 m, and the distance between the opposite walls of the pool is 7 m. The estimated depth is 144 cm. How many hectoliters of water consume Mr. Pe
- Strip
From 3 cm wide strip should be cut rhombus with area 16 cm². How long will it be on its side? - Area of RT 2
Calculate the area of a right triangle whose legs have a length of 6.2 cm and 9.8 cm. - Coins
Edmund had saved a certain number of 2-euro coins. He placed the coins in a single layer in a square. He has 6 coins left. When he wanted to build a square that would have one more row, he was missing 35 coins. How many euros does he have? - Two squares
Two squares with sides in the ratio 5:2 have a sum of their perimeters 73 cm. Calculate the sum of the area of these two squares. - Rectangular cuboid
The rectangular cuboid has a surface area 5447 cm², and its dimensions are in the ratio 2:4:1. Find the volume of this rectangular cuboid.
- Windows
Calculate the masonry area to build a wall with dimensions of 18 m × 5 m with 3 windows of size 51 cm × 51 cm. - Garden
The garden has two opposite parallel fences. Their distance is 33.1 m. Lengths in these two fences are 75.5 meters and 49.4 meters. Calculate the area of this garden. - Area
Calculate: x = 7 m² + 7 dm² + 7 cm² - Cube
Calculate the surface cube with edge 11 dm. - Garden
How many steps of 76 cm circumvent square garden with area 1.8 ha?
- Rainfall
Annual rainfall in our country is an average of 797 mm. How many m³ of water rains on average per hectare? - Special cube
Calculate the cube's edge if its surface and volume are numerically equal numbers. - Right triangle
Right triangle legs have lengths 630 mm and 411 dm. Calculate the area of this triangle. - Circle
How big is an area of a circle if its circumference is 51.2 cm? - Father and son
Father and son are 74 years old together. Son is 30 years younger than father. How old is the son?
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