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Your backyard is a great spot to build a skating rink this winter. The ground must be covered with sand that costs $16 per square meter. If the sides of the triangular plot of land measure 8.24m., 7.67m. and 8.13m., what will be the cost of the sand needed to cover this area?.

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  1. Your backyard is a great spot to build a skating rink this winter. The ground must be covered with sand that costs $16 per square meter. If the sides of the triangular plot of land measure 8.24m., 7.67m. and 8.13m., what will be the cost of the sand needed to cover this area?

  2. Josh, Mary and Evan are playing frisbee in the school field. Their current positionsform a triangle with the angle at Josh equal to 44o and the angle at Mary equal to 21o. If Mary is 15 metres from Evan, what is the area of the triangular plot formed by Josh, Mary and Evan?

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