# Square (second power, quadratic) - math problems

#### Number of problems found: 765

- Annual growth

The population has grown from 25,000 to 33,600 in 10 years. Calculate what was the average annual population growth in%? - Granddaughter

In 2014, the sum of the ages of Meghan's aunt, her daughter and her granddaughter was equal to 100 years. In what year was the granddaughter born, if we know that the age of each can be expressed as the power of two? - The ABCD

The ABCD trapezoid has a base length of a = 120mm, c = 86mm and an area of S = 2575 mm^{2}. Calculate the height of the trapezoid. - Calculate

Calculate the height of an isosceles triangle with base 37.8 mm long and an arm 23.1 mm long. - The land

The land, which has dimensions of 220 m and 308 m, the owner wants to divide into equally large square plots with the largest possible area. How long will one side of the plot be? - Cuboid edges

The lengths of the cuboid edges are in the ratio 2: 3: 4. Find their length if you know that the surface of the cuboid is 468 m^{2}. - The cube

The cube has a surface of 600 cm^{2}. What is its volume? - Square gardens

The gardening colony with dimensions of 180 m and 300 m is to be completely divided into equally large square areas with the largest possible area. Calculate how many such square areas can be obtained and determine the side length of the square. - Gardens

The area of the square garden is 3/4 of the area of the triangular garden with sides of 80 m, 50 m, 50 m. How many meters of the fence do we need to fence a square garden? - Ladder

How long is a ladder that touches on a wall 4 meters high, and its lower part is 3 meters away from the wall? - The pyramid

The pyramid with a square base is 50 m high and the height of the sidewall is 80 m. Find the endge of the base of the pyramid. - Decibel

By what percentage does the sound intensity increase if the sound intensity level increases by 1 dB? - Six painters

Six painters paint an area of 120 m^{2}in 4 hours. How long does it take for 12 painters to paint 480 m^{2}with the same performance? - Edge c

Find the edge c of cuboid if an edge a = 20 mm, b = 30 mm and surface area S = 8000 mm^{2}. - Cube V2S

The volume of the cube is 27 dm cubic. Calculate the surface of the cube. - The square

Calculate the area and perimeter of a square with side a = 15 dm S =, O = - Larger perimeter

There are a square and a circle that passes through two adjacent vertices of the square (end points of side a) and the center of the opposite side (c). Which of the plane shape has a larger perimeter? - Extending square garden

Mrs. Petrová's garden had the shape of a square with a side length of 15 m. After its enlargement by 64 m^{2}(square), it had the shape of a square again. How many meters has the length of each side of the garden been extended? - Natural fertilizer

The rectangular garden measuring 120m and 60m was fertilized with 16kg of natural fertilizer. Natural fertilizer contains 45% organic matter. How much organic matter falls on 1 m^{2}of garden? - How many

How many 75 cm long steps will a football player take during training, when he runs on a 50m square track and goes around the course 3 times? We need writing, sketch, calculation. .. .

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