17-12-2020
Mathematics

contestada

what is the measure

what is the measure class=

Respuesta :

surjithayer10 surjithayer10

18-12-2020

Answer:

Step-by-step explanation:

t+t+10+t+20=180

3t+30=180

3t=180-30=150

t=150/3=50

t+20=50+20=70

exterior angle=180-70=110°

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