Determine the unknown angle measures in a hexagon whose six angles measure 69°, 108°, 135°, 204°, b°, and 2b°.

Question

Determine the unknown angle measures in a hexagon whose six angles measure 69°, 108°, 135°, 204°, b°, and 2b°.

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Khải Quang 4 years 2021-07-17T16:03:15+00:00 1 Answers 19 views 0

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  1. thnahdat
    0
    2021-07-17T16:04:48+00:00
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    Answer:

    B = 68

    Step-by-step explanation:

    (6-2)×180 = 720

    69+108+135+204+b+2b=720

    516+3b=720

    3b=720-516

    3b=204

    b= 68

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