mikayla121212 mikayla121212

19-10-2020
Mathematics

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find the value of a

find the value of a class=

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Аноним Аноним

19-10-2020

Answer:

45

Step-by-step explanation:

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LadyStrange LadyStrange

19-10-2020

81° + a° + 2a° = 180°

81° + 3a = 180°

3a = 180 - 81

3a = 99°

a = 99 ÷ 3

a = 33°

Therefore , a = 33° .

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