Area - math word problems - page 25 of 157
Number of problems found: 3136
- Right-angled 80745
The area of a right-angled triangle KLM with a right angle at the vertex L is 60 mm square, and its hypotenuse k is 10 mm long. Triangles KLM and RST are similar. The similarity ratio is k=2.5. Calculate the area of triangle RST. - Cylinder 80733
How tall is a cylinder whose shell has a volume equal to the base? What is the volume of this cylinder? - Fifty-meter 80722
Calculate how many hectoliters of water can fit in a fifty-meter sloped pool; if the smallest depth is 1.2 m and the largest depth is 3 m, the width of the pool is 20 m. - 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. - Classroom 80652
The classroom is 11 m long, 6.5 m wide, and 4 m high. I will pay 14.50 for 1 m² of painting. How much will it cost to paint the classroom? - Difference 80618
A regular hexagon is described and inscribed in a circle. The difference between its areas is 8√3. Find the circle's radius. - A fruit
A fruit grower uses 1/3 of his land for bananas, 3/8 for pineapples, 1/6 for mangoes, and the remainder for oranges. What fraction of his land is used for oranges? - Square room 2 A square room has a floor area of 144 square feet. The height of the room is 6 feet. What is the area of one wall?
- How many 28
How many can 15cm x 25 cm tiles fit in a room with a length of 3m and a width of 2.5m? - Two conductors
Two conductors have resistance Rs=5 ohms when connected in series and Rp=1.2 ohms when connected in parallel. Calculate the value of the resistors. - Equilateral 80573 The field has the shape of an equilateral triangle. Calculate its area if you know that the side is 280 meters long.
- 3-room
Calculate the area of a 3-room apartment if you know that 2 rooms (bedroom and children's) are the same size, both have the shape of a square with sides of 3 m. The living room has the shape of a rectangle with dimensions of 4 m x 5 m. The area of the - Unit resistance What is the resistance of a two-conductor line 10 m long made of 4.0 mm² aluminum wire?
- Nikelin and brass
Calculate the length of brass wire (ró=0.08 microohm m) and nickel (ró=0.4 microohm m) with a diameter of 0.5 mm, which has a resistance of 1 ohm - Resistivity 80483 The heating coil of the cooker has a resistance of 70.5 ohms and is made of a wire with a diameter of 0.30 mm and a length of 9.8 m. Determine the resistivity of the material from which it is made.
- Airport's 80482
The plane flew from airport m on a course of 132° to airport n, then from n to p on a course of 235°. The distance between the airport's mn is 380 km, np 284 km. What will be the return course to m, and what is the distance between the airport's pm? - Sequence 80450
How many terms does the sequence have if a1=4, Sn=589, d=3, n=? - Approximately 80443
The 94 m² flower bed is to be planted with begonias. An area of 2 dm² is needed for one seedling. How many grams of seeds should be sown if 1 g of seeds contains approximately 5000 seeds? Losses when growing seedlings are usually 30%. - One-fifth 80438
By what percent does the area of a square increase if its perimeter increases by one-fifth? - Fertilized 80437 Nitric lime contains an average of 19% nitrogen and 55% calcium oxide. How many grams of nitrogen per 1 m² if we bought a 25 kg package and thereby evenly fertilized a garden of 12 a?
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