Examples of area of plane shapes - page 13 of 131

Number of problems found: 2617

Circle diameter
What is the diameter of a circle with an area of 35 cm square?
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.
Interesting property
Plot a rectangular shape has the interesting property that circumference in meters and the area in square meters are the same numbers. What are the dimensions of the rectangle?
Rhombus diagonal
The area of a rhombus is 790. One diagonal measures 45. Find the length of the second diagonal.
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.
Radius
Determine the circle's radius if its perimeter and area are the same numbers.
Area of trapezoid
The trapezoid bases are 9 dm and 7 dm. Its height is 3 cm. Calculate the area of the trapezoid.
Fencing a Square Garden
How many meters of mesh is needed to fence a square garden with an area of 5,402.25 square meters?
The length 14
The length of the rectangle is 6cm, and the perimeter of the rectangle is 20 cm. Find the rectangle's breadth. Find the area of the rectangle.
The length 13
The length of a rectangular garden is 3 5/11. The width is 1/4 of the length. What is the area of the garden as a mixed number?
Square perimeter side
The area of the square is equal to 1024 square centimeters. Calculate the perimeter of the square and the length of the side a.
The kitchen 2
The kitchen, 5m by 3.5m, has a cupboard covering 2m by 0.75m of the floor. What area of the floor remains uncovered?
A piece 3
A piece of rectangle cloth has an area of 2 4/5 meters. Its breadth is 1 1/5 meters. What is the length of the cloth?
A rectangle 6
A rectangle measures 2 4/5 inches by 2 1/5 inches. What is its area?
Equilateral triangle
Find the area of an equilateral triangle with a side of 15 cm.
Modulus and argument
Find the mod z and argument z if z=i
Equilateral triangle v3
Calculate an equilateral triangle's perimeter and area with a side of 20 dm.
Right trapezoid
Calculate the area of a rectangular trapezoid whose perpendicular arm is 27 mm long and the bases are 33 mm and 19 mm long.
Area and perimeter of rectangle
The rectangle area is 3000 cm², and one dimension is 10 cm larger than the other. Determine the perimeter of the rectangle.
Square perimeter calculation
Calculate the perimeter of a square containing 9 acres.

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