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    1. What is the length of the second leg of a 3-_-5 tr

    2. Or are they equal, or is there not enough informat

    3. cos(60)

    4. Time

    5. What is the formula for the area of an equilateral

    6. How can you tell if a number is divisible by 4?

    7. How can you tell if a number is divisible by 6?

    8. How can you find the units digit of 2*3^27, or 7^4

    9. cos(45)

    10. The formula for arc length of a circle is