SOLUTION: The angles of a triangle are in the ratio 4 : 3 : 2. The smallest angle in the triangle is: 30 degrees 40 degrees 70 degrees 75 degrees

Algebra ->  Angles -> SOLUTION: The angles of a triangle are in the ratio 4 : 3 : 2. The smallest angle in the triangle is: 30 degrees 40 degrees 70 degrees 75 degrees       Log On


   

Question 418634: The angles of a triangle are in the ratio 4 : 3 : 2. The smallest angle in the triangle is:
30 degrees
40 degrees
70 degrees
75 degrees



Answer by engineersin(2) About Me  (Show Source):
You can put this solution on YOUR website!
4x%2B3x%2B2x=180+degrees
9x=180+degrees
9x%2F9=180+degrees%2F9
x=20
Substituting x
4%2820%29=80+degrees
3%2820%29=60+degrees
2%2820%29=40+degrees]
Answer: 40 degrees