radomes.openskiesproject.org
absha1216
absha1216 absha1216
  • 07-01-2017
  • Mathematics
Answered

in triangle abc the measure of angle b is twice the measure of angle a and an exterior angle at vertex c measures 120 degrees. find the measures of angle a

Verified Answer :

alexfabre08
alexfabre08 alexfabre08
  • 07-01-2017

180=2a+a+120
180-120=3a
60=3a
a=60/3
a=20

Answer Link

Related Questions

what did the giver chapter 7 remind you of
what is deshtop in desktop publishing
an insect in Amber is an example of
Pick two variables that can affect group work and discussion groups
Which of the following issues became an obstacle to the drafting of the United States Constitution
People aged 15 to 24 account for of all people infected by STIs a more than a quarter b less than half c more than half d less than a quarter
Ozone is formed when a two oxygen molecules combine b an individual oxygen atom combines with an oxygen molecule c ultraviolet radiation breaks apart four oxyge
Write the equation of a line in slopeintercept form if m3 and b7 help please
How to find interior angles of a polygon
how are the independent and dependent variables related