# Area of shape + multiplication - examples

- Rainfall

Annual rainfall in our country are an average of 854 mm. How many m^{3}of water rains on average per hectare? - Triangle SSS

Calculate perimeter and area of a triangle ABC, if a=58, b=83 and c=31. - Windows

Calculate the area of masonry to build wall with dimensions of 19 m × 4 m with 5 windows of size 50 cm × 50 cm. - Similarity coefficient

The ratio of similarity of two equilateral triangles is 3.9 (ie 39:10). The length of the side of smaller triangle is 3 cm. Calculate the perimeter and area of the larger triangle. - Chocholate

Table of chocolate is divided into squares on its surface. Lengthwise has 15 squares and widthwise 7 squares. We must chocolate broke into individual squares. How many times we have broke it to get only individual squares? It is not permitted to break. - Carpet

The room has rectangle shape with dimensions 4.5 m × 4.2 m. How many meters of carpet a width of 3 need to buy to cover the entire room? - Wheat

The rectangle shaped field with dimensions 979 m and 540 m harvested last year was 2775 q wheat. (1 q = 1 quintal = 100 kg). During the year, it was necessary to fix the pipe and therefore did kick wide 6 m parallel to the side of the field 540 m, where no - XY triangle

Determine area of triangle given by line -7x+7y+63=0 and coordinate axes x and y. - Parallelogram

Calculate the area and perimeter of a parallelogram whose two sides are long a=10 cm b=22 cm and height h_{a}= 4 cm long. - Rhombus problem

Perimeter of the rhombus is 60 dm and it area is 165 dm^{2}. Calculate the height of the rhombus. - Painter 3

Dad want to paint wall high 250 cm wide and 230 cm with wallpaper. How many meters must buy wallpaper if wallpaper width is 60 cm? - Glass

Peter broke the window glass with size 110 cm and 90 cm. 1 square meter of glass costs 8 Euro. How much money is need to pay for a new glass? - Tailor

Tailor has an estimated 11 meters of 80 cm wide fabric. He will shape wholly 7 rectangles measuring 80 x 150 cm and nothing fabric does not remain. How many fabric he have? - Parcel

Both dimensions of the rectangular parcel were increased by 40%. By how many % has increased its acreage? - Office rent

For rent 1m^{2}of office space is paid €165 per year. How much is the annual rent for an office as big as a football field with dimensions 71.5 m and 102.5 m? - Right triangle

Right triangle legs has lengths 313 dm and 236 mm. Calculate the area of this triangle. - Concrete pedestal

The carpenters made wooden mold on a concrete pedestal in the shape of a cube with edge 2 meter long. What is the area in which the concrete touches wooden molds? (No lid or bottom)

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