26-03-2020
Mathematics

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equation practice with angle addition

equation practice with angle addition class=

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devishri1977 devishri1977

26-03-2020

Answer:

m∠BOC = 47°

Step-by-step explanation:

m∠AOC = 180 (as it is a straight angle}

m∠AOC = m∠AOB + m∠BOC

m∠AOB + m∠BOC = 180°

3x + 124 +6x + 29 =180

9x + 153 = 180

9x = 180-153

9x = 27

x = 27/9

x = 3

m∠BOC = 6x + 29 = 6*3 + 29 = 18+29 = 47°

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