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27 July, 09:29

The expression 12c-18 represents the perimeter of a regular hexagon. Write two different expressions to describe its perimeter. Then write an expression for the length of one of its sides.

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  1. 27 July, 09:33
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    If 12c-18 is the perimeter of a regular hexagon we can divide this by 6 to get the length of one side. (12c-18) / 6 = 2c-3 as an expression for one side of the hexagon.

    We need an expression that is equal to 12c-18 one possible expression is just 2c-3+2c-3+2c-3+2c-3+2c-3+2c-3 would be equal to 12c-18. The other expression would also have to equal 12c-18 we can divide this expression by to then add that quotient to itself. (12c-18) / 2 = 6c-9. 6c-9+6c-9

    a. 2c-3+2c-3+2c-3+2c-3+2c-3+2c-3

    b. 6c-9+6c-9

    c. 2c-3
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