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10 December, 23:15

A=1/2h (a+b) for a

Not sure what to do here

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Answers (1)
  1. 10 December, 23:42
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    a = (2A) / h - b

    Step-by-step explanation:

    A=1/2h (a+b) for a

    Multiply both sides by 2:

    2A=h (a+b)

    Divide both sides by h:

    (2A) / h = a + b

    Subtract b from both sides:

    (2A) / h - b = a

    Switch sides:

    a = (2A) / h - b
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