Examples of area of plane shapes - page 24 of 131
Number of problems found: 2601
- Expansion
If one side of the rectangle is larger 2-times and the second 4-times, what percentage increases the area of the rectangle? - Pipeline
How much percent has the pipe cross-section area changed (reduced) if the circular shape is changed to square with the same perimeter? - Father and son
Father and son are 74 years old together. The son is 30 years younger than the father. How old is the son? - Maximum area of rhombus
Calculate the interior angles at which the equilateral rhombus has a maximum area. - Percentage 82623
The square in the picture has a side length of 6 cm. What percentage of the area is the colored part? - Hydrostatic 80798
Calculate the depth of water at which the hydrostatic pressure is equal to 100870 N/m². We only consider hydrostatic pressure. - Dimensions 80782
Find the area of the stadium, which on a map with a scale of 1:16000, has dimensions of 2cm x 3cm. - Rectangle 80701
One side of the rectangle has length a=9/5 cm, and the length of side b is 7/10 cm greater than the length of side a. Calculate the perimeter and area of the rectangle. - Determine 79204
A lake with an area of 3 cm² is drawn in the 1:50,000 scale map. Determine the actual size of the lake. - The classroom 3
The classroom needs a new floor. Its dimensions are 34 1/2 feet by 36 1/2 feet. Find the area of the classroom. SIMPLIFY. - Rectangular 63094
Calculate the perimeter and the area of a rectangular garden if the diagonal length is 18 m long and one of the sides of the garden is 9m long. - Perimeter 45121
The diamond has an area of 36.9 cm² and a side length of 9 cm. a) How many cm does the height of the diamond measure? b) Calculate the perimeter of the diamond. - Hectares 31661
Express the yield per hectare of sugar beet when you know that we can harvest 20 tons of sugar from 20 hectares of fields. - Flowerbed 25241
How large should we sow an area with grass in a circular flowerbed with a radius of 4m? - 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? - Trapezoid 5559
The bases of the trapezoid are 12 cm and 8 cm long. The area of this trapezoid is 40 cm². What is its height? - Hypotenuse 3554
Calculate the hypotenuse length if you know the area of an isosceles right triangle that is 24.5 cm square. - Rhombus HP
Calculate the area of the rhombus with height 48 cm and perimeter 64 cm. - Fountain
Around a circular fountain with a diameter of 2m, there is a 0.5m wide strip of land for planting roses. How many m² of land do roses occupy? - Dimensions - rectangle
One side of the rectangle is 12 cm longer than the other. If we reduce each dimension by a third, the area of the rectangle will be reduced by 60 cm². Determine the dimensions of the rectangle.
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