saraha20019
saraha20019
04-12-2020
Mathematics
contestada
I NEED AN EXPLANATION!!!
Respuesta :
amaniwarren25
amaniwarren25
04-12-2020
x=-30
The interior angles of a triangle are always equal to 180 degrees. If you substitute -30 into the equations you will get both 60 degrees and 30 degrees.
30+60+90=180.
hope that helps!
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