Examples of area of plane shapes - page 15 of 129
Number of problems found: 2564
- Area of square
Calculate the area of the square whose perimeter is 24 dm. - Difference AP
Calculate the difference of arithmetic progression if the sum of its first 10 members Sn = 1325 and the first member is a1 = 20 - Annulus
Two concentric circles form an annulus with a width of 10 cm. The radius of the smaller circle is 20 cm. Calculate the area of the annulus. - Area of ditch
How great will an area have a section of the trapezoidal ditch with a width of 1.6 meters above and below 0.57 meters? The depth of the ditch is 2.08 meters. - Euklid4
The legs of a right triangle have dimensions 241 m and 34 m. Calculate the length of the hypotenuse and the height of this right triangle. - Rhombus
The rhombus with area 95 has one diagonal that is longer by 7 than the second one. Calculate the length of the diagonals and rhombus sides. - Strip
From 3 cm wide strip should be cut rhombus with area 16 cm². How long will it be on its side? - Rhomboid
Calculate the circumference and area of the rhomboid with sides 19 and 20, with their angle 40°. - Triangle
Calculate the triangle's heights ABC if the triangle's sides are a=26, b=81, and c=73. - Rectangle - sides ratio
Calculate the area of a rectangle whose sides are in ratio 2:16 and the perimeter is 1289. - Rectangular 71334
How many m² of flooring is needed in a rectangular room measuring 3.5 m and 4.5 m? - Calculate 25621
Calculate the area of a regular hexagon inscribed in a circle with a radius r = 7 cm. - Circumference 8256
Find the height of a diamond with a circumference of 34m and an area of 51m² - Circumference 3254
Calculate the height of a diamond with a circumference of 21.6cm and an area of 21.6cm squares. - Triangle 3187
In a general triangle, the aspect ratio a: b = 2:3. What is the ratio of heights va: vb? - Acreage
The plot has a diamond shape, its side is 25.6 m long, and the distance between the opposite sides is 22.2 meters. Calculate its acreage. - Square field
The perimeter of a square field is 64 m. Find the cost of cementing the field at the cost of 240 USD per square meter. - A rectangle 10
A rectangle has a length of 8 millimeters and an area of 216 square millimeters. What is the width? What is the perimeter? - Rectangle - area from WL
What is the area of a rectangle that is 1/2 of a meter long and 3/8 of a meter wide? - Roma ate
Roma ate 2/5 of the cake while Somya ate 3/7 of the same cake. Who ate more, and by how much?
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