Examples of area of plane shapes - page 28 of 131
Number of problems found: 2618
- Plot width calculation
Two brothers wanted to have the same area of land. One chose a square plot with a side length of 60m. The second brother chose a rectangular plot of land with a side length of 80m. What is the width of the second brother's plot? - An equilateral
An equilateral triangle with a side of 10 m represents a wooden platform standing on a lawn. A goat is tied to a corner with a 15 m rope. What is the maximum amount of grazing area available to the goat? - Is right triangle or not
If the right triangle is ABC, it has sides a=13, b=11.5, and c=22.5. Find area. - A trapezoid
A trapezoid is 75 ft wide on top, 85 ft on the bottom, and the height is 120 ft. What is its area in the square yds? - Circle circumference
Calculate the circumference of a circle if its area is 706.5 cm² - Rhombus
The rhombus has diagonal lengths of 4.2cm and 3.4cm. Calculate the length of the sides of the rhombus and its height. - Bathroom 2
A bathroom is 2.4 meters long and 1.8 meters wide. How many square tiles, 1 dm on each side, will be used to cover it? - Stadium area
When the runner goes around the circular stadium five times, he runs 157 km. What area does the stadium occupy? - Diameters of circles
How many percent of the area of a larger circle is a smaller circle if the smaller circle has a diameter of 120 mm and a larger one has a diameter of 300 mm? - Equilateral triangle
The equilateral triangle has a 23 cm long side. Calculate its area. - Triangle perimeter
The area of an equilateral triangle is 81 times three below the square root of cm². Calculate its circumference. - Square s3
Calculate the square's diagonal, where its area is 0.49 cm square. And also calculate its circumference. - Circular ring
A square with an area of 16 centimeters is inscribed circle k1 and described to circle k2. Calculate the area of the circular ring, which circles k1, and k2 form. - Isosceles trapezoid
Calculate the circumference and area of the isosceles trapezoid if you know the bases' sizes are 8 and 12 cm and the arms' sizes are 5 cm. - Masons
One mason casts 30.8 meters square in 8 hours. How long casts four masons 178 meters square? - Percentage of waste
In a square plate with a side 58 cm, we cut four same circles. Calculate the percentage of waste. - Diamond
The rhombus has a side 22 cm and one diagonal 35 cm long. Calculate its area. - Trapezoid - legs
Determine the trapezoid area with bases 84 and 47; the height is 4 shorter than its leg. - Without Euclid laws
Right triangle ABC with a right angle at the C has a=5 and hypotenuse c=22. Calculate the height h of this triangle without the use of Euclidean laws. - Isosceles III
The base of the isosceles triangle is 18 cm area 250 cm². Calculate the perimeter of this triangle.
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