Question

12) calculate the value of x a) 25 b)15 C)35 d)202​

Answer 1

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$b) \: {15}^{o}$

Step-by-step explanation:

8x ,3x and x are lying on the same plane so the sum of the three angles is 180°.

Therefore,

8x+3x+x=180°

=>12x=180°

=>x=180°/12

=>x=15°

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