Examples of area of plane shapes - page 28 of 130
Number of problems found: 2587
- Math heart
A stylized heart shape is created from a square with a 5 cm long side and two semicircles over its sides. Calculate the area and its circumference. - Hexagon area
The center of the regular hexagon is 21 cm away from its side. Calculate the hexagon side and its area. - Sides of the triangle
Calculate triangle sides where its area is S = 84 cm² and a = x, b = x + 1, xc = x + 2 - Carpet
What is the price of a square carpet side length of 3.25 m if a one-meter square costs 230 CZK? - Logs
The log has a diameter of 30 cm. What largest beam with a rectangular cross-section can be carved from it? - Hop-garden
The length of the rectangular hop garden Mr. Smith increased by 25% and its width by 25%. What is the percentage change in the area of the hop garden? - Square
If we increase the side of the square, increase its area of 50%. What is the percentage we increase the side of the square? - Angles
Find the interior angles of a rhombus with area 72 cm² and perimeter 48 cm. - Described
Calculate the perimeter of the circle described by a triangle with sides 82, 495, 438. - Euclid3
Calculate the height and sides of the right triangle if one leg is a = 100 km and the section of hypotenuse adjacent to the second leg cb = 14 km. - Forest nursery
In the Forest nursery plant, one borovice to 2 m². Calculate how many plants are planted in the area of 510 acres. - Garden
Trapezoid garden has parallel sides 19 m and 24 m. Its area is 193.5 square meters. What is the width of the garden? - Ninety-one 80354
Ninety-one books are arranged on seven shelves so that there are 4 more books on each subsequent shelf than on the previous one. How many books are on the 7th shelf? - Flowerbed 22573
Around a round flowerbed with a diameter of 6m should be made a sidewalk with a width of 0.5m. How many square meters of material do we need? - Calculate 20643
Calculate the area and perimeter of the building plot in the shape of an isosceles trapezoid with a base of 120 m, 95 m, and a height of 50 m. - Calculate 17831
Calculate the area of a square in dm2, which has a side length of 5.8 cm. - Calculate 7580
The isosceles triangle XYZ has a base of z = 10 cm. The angle to the base is the sum of the angles at the base. Calculate the area of the triangle XYZ. - Circumference 6929
Two-thirds of the circumference of the circle is 12π cm long. Calculate the area of the circle. - Calculate 5809
In the ABCD rectangle, the AB side is 16 cm long, and the AC diagonal is 20 cm long. Calculate the perimeter and area of the rectangle. - Squares 5479
Draw two stone squares. They have a total of 34 stones. What edges do the squares have?
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