Practice problems of the area of a square
Number of problems found: 646
How many euros we will pay for repainting the room shaped cuboid with a length of 4.5 meters, width of 2.5 meters and a height of 3 meters, if for 1 m² with paint we pay € 1.5?
Determine whether we can make a triangle with the given side lengths. If so, use Heron's formula to find the area of the triangle. a = 158 b = 185 c = 201
- Silver medal
To circular silver medal with a diameter of 10 cm is an inscribed gold cross, which consists of five equal squares. What is the content area of the silver part?
Calculate the content of the shaded part of square with side 28 cm.
- Circle sector
The circular sector with a central angle 160° has an area 452 cm². Calculate its radius r.
- Floating floor
In the new building is considered a floating floor worker in each room. 30 minutes lay 9 m² of the floor. How long 3 workers laid the floor in 4 rooms with a total area of 90 m²?
- Concrete pipe
How much will cost cover a 6 m long concrete pipe with an outer radius 1.5 m and inner radius 0.8 meters if 1 m² paint costs 24 €.
- Circular lawn
Around a circular lawn area is 2 m wide sidewalk. The outer edge of the sidewalk is curb whose width is 2 m. Curbstone and the inner side of the sidewalk together form a concentric circles. Calculate the area of the circular lawn and the result round to 1
- Rhombus base
Calculate the volume and surface area of prisms whose base is a rhombus with diagonals u1 = 12 cm and u2 = 15 cm. Prism height is twice the base edge length.
- Volume from surface area
What is the volume of the cube whose surface area is 96 cm²?
- Paper box
Calculate the consumption of paper on the box-shaped quadrangular prism with rhombic footstall, base edge a=6 cm and the adjacent base edges forms an angle alpha = 60 °. Box height is 10 cm. How many m² of the paper consumed 100 such boxes?
- Surface area
The volume of a cone is 1000 cm³ and the content area of the axis cut is 100 cm². Calculate the surface area of the cone.
- The hall
The hall had a rectangular ground plan one dimension 20 m longer than the other. After rebuilding the length of the hall declined by 5 m and the width has increased by 10 m. Floor area increased by 300 m². What were the original dimensions of the hall?
Route passes trapezoidal orchard perpendicular to the parallel sides. It is 80 cm wide. The lengths of the bases are in the ratio 5:3 and the length of the longer base to the length of the path is in the ratio 5:6. How many square meters occupies the rout
- Perimeter and legs
Determine the perimeter of a right triangle if the length of one leg is 75% length of the second leg and its content area is 24 cm².
- Chemical parison
The blown parison (with shape of a sphere) have a volume 1.5 liters. What is its surface?
On what surface m² tiler must lay 30 square tiles, each of which has a side 25 cm?
- Round table tablecloth
The round table has an area of 50.24 dm². Calculate the circular tablecloth diameter, if it extends beyond the edge of the table by 30 cm.
How many square tiles with an area of 121 cm² have to be ordered for the square room's paving with a side length of 2.75 meters?
- Square garden
On the plan with a scale of 1:1500 is drawn as a square garden with area 81 cm². How many meters is long garden fence? Determine the actual acreage gardens.
Area - math word problems. Square practice problems.