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Anyone know how to answer? need help asap

Anyone know how to answer? need help asap-example-1

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Since those sides are equal we know angle P = angle Q = 3x+ 12. Add up all the equations and set equal to 180. 180 is total degrees in triangle. Solve for x you get 14. Plug 14 into 3x+12 to get 54.
User Mishen Thakshana
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