# Perimeter - 5th grade (10y) - math problems

- Carpet

How many crowns CZK do we pay for a carpet for a bedroom, when 1m of square carpet costs 350 CZK and the bedroom has dimensions of 4m and 6m? How many crowns do we pay for a strip around the carpet, when 1m of the strip costs 15 CZK? - The playground

The playground has the shape of a square with a side of 64 m. It is fenced on three sides. What is the area of the playground and how long is its fence? - Playground

The land for the construction of the school playground has the shape of a rectangle with a shorter side of 370 m. Its other side is 260 m longer. How many meters of the fence does the school need to buy on the fencing playground? - Calculate

Calculate the square area if its perimeter is 14dm. - An equilateral triangle

The perimeter of an equilateral triangle is 33cm. How long is each side? - Rectangles

How many different rectangles with sides integers (in mm) have a circumference exactly 1000 cm? - Christmas napkins

The girls embroidered Christmas napkins. Each napkin had the shape of a triangle with sides of 5 dm, 60 cm, and 800 mm. How many cms did the girls sew if they made 15 napkins? - A rectangular

A rectangular garden 40 m long and 30 m wide is to be fenced with fence posts at each corner. All the other posts will be 5 meters a part. How many posts will be needed to fence in the garden. - Table

Find the circumference of the table, where the long side is 1.28 meters and the short side is 86 cm. - Diamond

The diamond has a circumference of 48cm. Calculate the length of its side in dm. - Rectangle

The length of one side of the rectangle is three times the length of the second side. What are the dimensions of the rectangle if its circumference 96 cm? - Triangle ABC

In a triangle ABC side b measure 10 cm less than the side a and side b is half of the side c. Calculate the length of sides if the circumference of the triangle is 42 cm. - Perimeter from area

What is the perimeter of the square if its content is 64 cm^{2}? - MO-Z5-3-66 tiles

The picture shows a square tiles with side 10 dm which is composed of four identical small rectangles and squares. Circumference of small square is five times smaller than the circumference of the entire tile. Determine the dimensions of the rectangle. - The door

The door to the apartment has a height 2 m and a width 80 cm. Calculate how many cm of sealing tape is needed to seal them. Will there be enough packaging in which there are 5 m tape (write 0 = no, 1 = yes)? - Fence of the garden

The garden has dimensions of 5m and 400cm. How many meters meshes are needed for fencing the plot? - Tablecloth

The table top is 90 cm long and 50 cm wide. How many cm lace edging is necessary for the tablecloth that hangs on each side by 10 cm? - Floor

Rectangular floor of living room has a length 5.4 meters and a circumference 17.2 meters. What is its width? - Unknown number 24

I think the number: a - is the same as the square area that has the 12th circumfence. What is this number? b - its half is 7 times bigger than its quarter. Is this the number? - Area of square

Calculate the content area of the square whose perimeter is 24 dm.

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