the wingspan of a triangular hand glider is 30 feet. height of the glider is 9ft. how much fabric is needed to make the sail?
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The correct answer is:
The larger the surface area of the sail, the heavier the pilot can be and safely use the glider.
Explanation:
A hang glider must be able to support the weight of the pilot. The air pushing up under the sail (wing) of the glider helps support the weight. The more sail (wing) that you have, the more air pushing up, and the more weight it can hold.
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