how much will material for a triangular sail cost if the material costs $15.75 per square meter and the sail is 21.7 meters high and the bse is 15.9 meters long?
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Hi June, ------ It will be: the area of the triangle multiply by the cost of the sails (per square meter). So it will be 15.75 * 15.9 * 21.7 / 2 = 2,717.11 $. ------- Best regards,
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