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13 January, 03:39

AB and BC are tangent to circle D. find angle B if arc AEC measures 210 degrees

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  1. 13 January, 03:54
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    These are the answers:

    Make sure to use the Pythagorean method.

    a squared + b squared = c squared

    the radius should be 14

    Andthis should be the solution

    vertices (-10, 3) and (8, 3)

    center (-1, 3)

    a = 9

    b = 2

    c = √ (9²+2²)

    = √85
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