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Maria bought seven boxes. A week later half of all her boxes were destroyed in a fire. There are now only 22 boxes left. With
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1. Label the triangle (point C is where the plane is) 2. Draw a straight line directly down to the lake and call it point D. 3. Find angle c from triangle CAD by subtracting angle 45 from 90 degrees (the three triangles make a 90 degree angle together) 4.
