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16 July, 00:03

Angle A is twice the size of Angle B. Their sum is 87 degrees. Find x

(2x-1) belongs to angle b

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  1. 16 July, 01:13
    0
    A=2b

    a+b=87

    a=4x-2

    a=87-2x+1

    4x-2=88-2x

    6x=90

    x=15

    b=29

    a=58
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