# Worksheets of area units conversion

 Number of examples: Range of values: Multiplicity:
 85 cm2 = m2 67 dm2 = km2 39 mm2 = dm2 15 ha = dm2 60 a = cm2 43 a = km2 12 km2 = m2 3 ha = dm2 13 ha = a 8 a = km2

### Conversions of of an area units in word problems

• Area Calculate: ?
• Area of rectangle Calculate the rectangle area in square meters whose sides have dimensions a = 80dm and b = 160dm.
• Two walls Calculate the surface area of a cube in m2 if you know that the area of its two walls is 72 dm2.
• Map Forest has an area of ​​36 ha. How much area is occupied by forest on the map at scale 1:500?
• Hectares The rectangular land is 350m long and 200m wide. Calculate the area in hectares.
• Surface area Calculate the surface area of a four-sides 2-m high prism which base is a rectangle with sides 17 cm and 1.3 dm
• Area of trapezoid The trapezoid bases are and 7 dm and 11 cm. His height is 4 cm. Calculate the area of the trapezoid.
• Square glass What is the area of the square window glass with the side 4 dm? Do you know how many cm2 is it?
• Water In the garden with an area of 8 ares rain 40hl of water. To what heights leveled water?
• Built-up area John build up area 5 x 7 = 35 m2 with building with a wall thickness 30 cm. How many centimeters would have to subtract from thickness of the walls that built-up area fell by 9%?
• Decagon Calculate the area and circumference of the regular decagon when its radius of a circle circumscribing is R = 1m
• It is 2 It is 90 feet from home plate to first base on a baseball diamond. What is the area of the baseball diamond in square yards?
• Land Land has a rectangular shape, its surface area is 1.45 hectares. Its width is 250 m. Determine the length of the land.