Examples of area of plane shapes - page 26 of 125
Number of problems found: 2495
- Rectangle 45
The perimeter of a rectangle is 60cm if the length of the rectangle is 20cm. a)find the width b)find the area. - Calculate 7327
Calculate the area of a rectangle measuring 4m and 120dm in cm square. - Calculate rectangle
Calculate the unknown dimension in the rectangle if you know: S = 51.66 square meters, and = 8.2 square meters - Calculate 2673
In triangle ABC, the height on the c side is 12 cm. Calculate the area of this triangle if a = 15 cm and b = 13 cm. - Rhombus diagonal
The area of a rhombus is 790. One diagonal measures 45. Find the length of the second diagonal. - Centimeters 3913
Calculate the diagonal of a square whose area equals 625 square centimeters. - Playground 2908
The fencing of the square playground cost € 462, while the 1m fencing cost € 11. What is its playground area?
- 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. - Diameter 4111
How many balls with a diameter of 3.25 cm with a mixture in a circle with a diameter of 27 cm? - Area 51
The area of the triangle is 54.39, alpha is 32 °, and gamma is 144 °. - RR trapezoid
Given an isosceles trapezoid ABCD with bases |AB| = 36 m, |CD| = 200 dm, and |BC| = 10m. Calculate the area and perimeter of the trapezoid and the length of the diagonal AC - Cooperative 4
The cooperative farms fields with an area of 1350 hectares. They are to sow barley on one fifth, rye on one ninth, and sugar beet on the rest. How many hectares will be sown with cereals? - The perimeter
The perimeter of a rhombus whose diagonal lengths are in the ratio 3:4 is 40 cm. What is its area in cm²? - A rectangular 5
A rectangular picture frame is made of wooden strips ¾ inch wide. The outside edge of the frame is 8 ¼ inches long and 6 ¾ inches wide. Can a rectangular picture 7 inches long and 5 ½ inches wide fit inside the frame? CLEARLY EXPLAIN your answer. - Dodecagon
Find the area of a regular dodecagon (n=12) if the radius of the circumscribed circle is 5 cm.
- 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? - Diagonals of diamond
Find the area and circumference of the diamond ABCD with 15m and 11m diagonals. - Trapezium
The lengths of parallel sides of a trapezium are (2x+3) and (x+8), and the distance between them is (x+4). If the area of the trapezium is 590, find the value of x. - Rectangle vs square
One side of the rectangle is 1 cm shorter than the side of the square. The second side is 3 cm longer than the side of the square. The square and rectangle have the same area. Calculate the length of the sides of a square and a rectangle. - Equilateral triangle v3
Find the area of the colored gray part. An equilateral triangle has a side length of 8 cm. Arc centers are the vertices of a triangle.
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