29-11-2018
Mathematics

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please help with geometry hw

please help with geometry hw class=

Respuesta :

mx709p8me8d mx709p8me8d

29-11-2018

Answer:

R=72°

Step-by-step explanation:

2(2x+8)+(3x+3)=180

4x+16+3x+3

7x+9=180

7x=161

x=23

Plug x back into the equation of angle R

2(23)+3=72

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