laurarodriguezibarra laurarodriguezibarra

27-10-2016
Mathematics

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What would the answer to 39 be

What would the answer to 39 be class=

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leobardon11 leobardon11

27-10-2016

(3x-2)+x=90
3x-2+x=90
4x=90+2
4x=92
x=92/4
x=23 degrees is the smaller angle.

90-23=67 is the larger angle.
Proof:
(3*23-2)+23=90
(69-2)+23=90
67+23=90
90=90

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