2d shape
Calculate the content of a shape in which an arbitrary point is not more than 3 cm from the segment AB. The length of the segment AB is 5 cm.
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Calculate the area of right triangle whose legs have a length 5.8 cm and 5.8 cm.
Calculate the area of two circles annulus k1 (S, 3 cm) and k2 (S, 5 cm).
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Calculate approximately area of a circle with radius 20 cm. When calculating π use 22/7.
It is given square DBLK with side |BL|=13. Calculate area of triangle DKU if vertex U lie on line LB.
The city park is a circular bed of flowers with a diameter of 8 meters, around it the whole length is 1 meter wide sidewalk . What is the sidewalk area?
Before a sports hall are two equally large rectangular lawns, each measuring 40 m and 12 m. Maintenance of 10m² lawn cost 45 CZK yearly. On each lawn is circular flowerbed with a diameter 8 meters. How much money is needed each year to take on lawn care?.
A rectangular park measures 24mX18m. A path 2.4m wide is constructed all around it. Find the cost of paving the path with cement tiles of size 60cm X 40cm at the rate of $5.60 per tile ?
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