Clearly, show all working on Folder Leaves. I 1. The area of a trapezium, A, is given by the formula A = (a+b)÷2 h, where a and b

Clearly, show all working on Folder Leaves. I 1. The area of a trapezium, A, is given by the formula A = (a+b)÷2 h, where a and b are the lengths of the parallel sides and h is the perpendicular height. a) Apply the necessary operations to make side ‘b’ the subject.​

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  1. Making b the subject in the formula for area of a trapezium, A, given by A = (a+b)÷2 h is found to be b = 2A/h – a

    How to write the expression in terms o f b

    The given expression for area of trapezium is A = (a+b)÷2*h
    b is solved for as follows
    A = (a+b)÷2*h
    A = h * (a+b)/2
    divide through by h
    A/h = (a+b)/2
    multiply through by 2
    2A/h = (a + b)
    2A/h = a + b
    b = 2A/h – a
    Learn more on area of trapezium at:
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