Hexagon area
The center of the regular hexagon is 21 cm away from its side. Calculate the hexagon side and its area.
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Result
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What acreage has a rectangular plot whose diagonal is 34 meters long and one side has a length of 16 meters. ?
Perpendicular cross-section of the embankment around the lake has the shape of an isosceles trapezoid. Calculate the perpendicular cross-section, where bank is 4 m high the upper width is 7 m and the legs are 10 m long.
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Oil drilling rig is 23 meters height and fix the ropes which ends are 7 meters away from the foot of the tower. How long are these ropes?
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