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29 June, 20:09

In QPC, m∠C = (x + 11) °, m∠Q = (2x + 6) °, and m∠P = 70°.

a. Set up and solve an equation to find the value of x.

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  1. 29 June, 21:23
    0
    x=31

    Step-by-step explanation:

    QPC is a triangle. All angles of a triangle adds up to 180.

    (x+11) + (2x+6) + 70=180

    x+11+2x+6+70=180

    Combine like terms

    3x+87=180

    Subtract 87 from both sides

    3x+87-87=180-87

    3x=93

    Divide both sides by 3

    x=31
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