8th grade math

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please help one blade of a fan is parallel to the floor. what degree of rotation of the fan puts the blade at the top of the fan

  • 8th grade math -

    90 degrees

  • 8th grade math -

    A triangular prism has a surface area of 550 square feet, a length of 15 feet, a height of 10 feet, and a side of 5 feet. Find the width of the triangular prism.

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