Examples of area of plane shapes - page 14 of 135

Number of problems found: 2697

Perimeter from area
What is the perimeter of the square if its area is 64 cm²?
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.
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.
Cable
A cable consists of 5 strands, each strand made up of 11 wires with a diameter of d = 0.3 mm. Calculate the total cross-sectional area of the cable.
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 6 cm, 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.
Classroom area dimensions
Our class has dimensions of 7 m in width and 13 m in length. What is its area?
The kitchen 2
The kitchen, 5 m by 3.5 m, has a cupboard covering 2 m by 0.75 m of the floor. What area of the floor remains uncovered?
Baking a cake
Christy is baking a cake with a 9-inch diameter. She wants to cover the top with buttercream icing. How much icing will she need?
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?
Perimeter of rhombus
The area of the rhombus is 32 cm². One side measures 10 cm. The height on the other side measures 5 cm. What is the perimeter of this rhombus?
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.
Length 7
Length equals 7/6 inch in width equals 7/9 inches the area is?
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.

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