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18-08-2021
Mathematics

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(b) In the figure alongside, AB I BC and a - b= 10° then find the values of a and b.

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Аноним Аноним

31-03-2022

a-b=10--(1)

Same side interiors(vertical) have sum 180°

a+b=180--(2)

From both equations

2a=190
a=95

And

a-b=10
b=95-10
b=85

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