Math, asked by arve66, 11 months ago

please answer this question as fast as you can because I don't know the answer who have answered it will get hundred points ​

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Answers

Answered by Kiran9088DSKAA
1

Answer:

d.... 20° is the right answer......

Step-by-step explanation:

hope it will help you

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Answered by ceyajose1969
2

option D)

20°

Step-by-step explanation:

A +B+C=180°

so,

B/2 + B + 3B =180°

A=B/2

B=B

C=3B

so,

9B=360°

B=40°

so,

A=B/2

A=20°

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