Math, asked by NityaParasramka, 1 day ago

please answer correctly with explanation and reasons​

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Answers

Answered by sumansingh8076144
2

Answer:

130°

Step-by-step explanation:

sum of all exterior angle =180

angle B+ angle D+ angle X =180

30°+20°+X=180

50°+X=180

X=180-30

X=130°

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