cannipessoa cannipessoa

26-02-2018
Mathematics

contestada

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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acworden72 acworden72

26-02-2018

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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fjerard20 fjerard20

02-12-2020

Answer:

B

Step-by-step explanation:

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