veronicah131 veronicah131

22-08-2017
Mathematics

contestada

What are the steps to find the value of b ?

What are the steps to find the value of b class=

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kphung76127 kphung76127

22-08-2017

The angles should add to 540, so
b+ (3/2)b+(b+45)+(2b-90)+90=540

First combine like terms
5.5b+45=540

Then subtract 45 from both sides
5.5b=495

Divide both sides by 5.5
b=90

Final answer: b=90

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