coopryan
coopryan
08-05-2018
Mathematics
contestada
25 pt question amd will mark brainliest
Respuesta :
prestonshelton
prestonshelton
08-05-2018
Hello!
The angles are supplementary meaning they add to 180°
a + 2a + 3 = 180
Combine like terms
3a + 3 = 180
Subtract 3 from both sides
3a = 177
Divide both sides by 3
a = 59
the answer is 59°
Hope this helps!
Answer Link
hudadagra
hudadagra
08-05-2018
The two angles labeled are alternate corresponding.
These angle are supplementary.
use the following equation to solve for a.
2a + 3 + a = 180
Solve for a now.
3a + 3 = 180
3a = 177
a = 59
Hope this helps :)
Answer Link
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