help me its easy Triangle DOG is an isosceles triangle with DO = OG, and mD = 18. What is mO? A. 18 B. 36 C. 144 D. 162

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help me its easy Triangle DOG is an isosceles triangle with DO = OG, and mD = 18. What is mO? A. 18 B. 36 C. 144 D. 162

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    0
    2021-09-10T08:05:00+00:00

    Answer:

    B

    Step-by-step explanation:

    0
    2021-09-10T08:05:15+00:00

    Angle D and angle G are the base angles, which means they are equal. If D = 18, then G = 18. Since the sum of the angles of a triangle equals 180 degrees, subtract 18 + 18 from 180 to get angle O.
    180 – 36 = 144
    Angle O = 144

    Hope this helps =)

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