bewellplus.gsu.edu
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

Ellie has 4 quarters for every 5 pennies in her change purse How many pennies would she have if she has 16 quarters
If a bus driver leaves her first stop by 700 am her route will take less than 37 minutes If she leaves after 700 am she estimates that the same route will take
What do Muslims call Christians and Jews Why
The reeds at the edge of a pond form a
Why do most indians settled in the coastal regions the deccan plateau and the indogangetic plain
How might failure to improve transportation have affected the economic and social development of the nation
Which linear function represents the line given by the pointslope equation y 1 3x 5
which of these empires had control over a large portion of the former Roman Empire A song dynasty BInca CByzantine DMongol
Which best explains how the viewpoint in the Greenberg interview differed from that in the informational text on Thurgood Marshall A The Greenberg article share
8 is to 64 as 2 is to x