joslyntreiger joslyntreiger

05-11-2020
Mathematics

contestada

help triangle sum therom and idk what to do

help triangle sum therom and idk what to do class=

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jennatayleah jennatayleah

05-11-2020

Your answer would be x = 12

The triangle sum theorem states that the 3 angles in a triangle equal 180.

Since we have a 90 degree angle shown, we can add it to the other two and set it equal to 180.

30+90+6x-12=180
108+6x=180
6x=72
x=12

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