Other equations

  • Two Trees
    problem
    Favourite

    Two trees

    Age
    16 to 18
    Challenge level
    filled star empty star empty star

    Can you find the distance between the two trees using the information given?

  • Golden Ratio
    problem

    Golden ratio

    Age
    16 to 18
    Challenge level
    filled star filled star filled star
    Solve an equation involving the Golden Ratio phi where the unknown occurs as a power of phi.
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