ZA and ZB are supplementary angles. If m_A = (8x – 27) and m ZB = (4x + 3)°, then find the measure of ZA. >_

Question

ZA and ZB are supplementary angles. If m_A = (8x – 27) and m
ZB = (4x + 3)°, then find the measure of ZA.
>_

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Tryphena 5 years 2021-08-15T21:15:54+00:00 1 Answers 25 views 0

Answers ( )

  1. Maris
    0
    2021-08-15T21:17:12+00:00
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    Answer:

    m<ZA = 109

    Step-by-step explanation:

    Supplementary angles mean the angles add up to 180 so:

    8x – 27 + 4x + 3 = 180

    12x – 24 = 180

    12x = 180 + 24

    12x = 204

    x = 17

    m<ZA:

    8x – 27

    8(17) – 27

    136 – 27

    109

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