A 3cm high fence is on the side of a hill and tends to lean over. The hill is inclined at an angle of 20o to the horizontal. A 6. 3m brace is to be installed to prop up the fence. It will be attached to the fence at a height of 2. 5m and will be staked downhill from the base of the fence. What angle to the nearest degree does the brace make with the hill?.
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A 3cm high fence is on the side of a hill and tends to lean over. The hill is inclined at an angle o...
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