Examples of area of plane shapes - page 24 of 135
Number of problems found: 2697
- Rectangle - area and width
The length of the rectangle is 1 cm more than its width. Its area is 4 cm². What is its width? - Nina used
Nina used 2 liters of paint to paint a wall. The wall was a rectangle 2 meters high and 4 meters wide. How many liters of paint would she need to paint a rectangular wall which is 2.5 meters high and 8 meters wide? - Rectangle perimeter side
The rectangle has an area of 126 cm². The size of one side of the rectangle is 12 cm. Calculate the perimeter of the rectangle in cm. - Children's room
The children's room is a square with a side of 3 m. What is the area of the room layout on a 1:50 scale plan? - ABS triangle
Point S is the center of the square ABCD. The ABS triangle has an area of 9 cm². What is the circumference of the square in cm? - Squares
Cut out the square with the integer side from the square with the integer side so that the residual area is 100. What is the longest possible side of the larger square? - Side and diagonal
Find the circumference and the area of the rectangle if given: side a = 8 cm diagonal u = 10 cm. - Four sides of trapezoid
Calculate the area of the ABCD trapezoid with sides a = 65 cm, b = 29 cm, c = 40 cm, d = 36 cm - A pressure
How much compressive force does an aquarium with a bottom area of 0.24 m² exert on the table when a pressure of 3 kPa is created? - Cross five
The figure in the picture is composed of the same squares and has an area of 45 cm². What is its perimeter? - Mysterious area
The trapezoid ABCD is given. Calculate its area if the area of the DBC triangle is 27 cm². - Square garden calculation
The square garden has an area of 735 m² and is completely fenced. Calculate the length of the garden side and the length of its fence. - Rectangle area calculation
Calculate the area of the rectangle if its circumference is 24 cm and one side is 7.2 cm long. - Garden perimeter calculation
The garden is a rectangle, 800.25 square meters in area. Calculate the garden's perimeter if its length is 48.5 m. - A rectangular patio
A rectangular patio measures 20 ft by 30 ft. By adding x feet to the width and x feet to the length, the area is doubled. Find the new dimensions of the patio. - Rectangle area calculation
Calculate the area of a rectangle measuring 4 m and 120 dm in cm square. - Enlarged rectangle
The rectangle has dimensions of 8 cm and 12 cm. We enlarge it in a ratio of 5:4. What are the circumference and the area of the enlarged rectangle? - Ratio of sides 2
The ratio of the side lengths of one square to another is 1:2. Find the ratio of the area of the two squares. - Waste from Cutting Circle
A circle with the largest possible diameter is cut from a square with a side length of 35 cm. What percent of the square area is waste? - Square measurements
Find the area and perimeter of a square whose diagonal is 10 cm.
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