SOLUTION: If A and B are supplementary angles and A is nine times as large as B, find the measures of A and B. I am having difficulty how to understand this equation. Susan

Algebra ->  Angles -> SOLUTION: If A and B are supplementary angles and A is nine times as large as B, find the measures of A and B. I am having difficulty how to understand this equation. Susan      Log On


   

Question 1157668: If A and B are supplementary angles and A is nine times as large as B, find the measures of A and B. I am having difficulty how to understand this equation.
Susan
Found 2 solutions by Boreal, ikleyn:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Supplementary angles add to 180 degrees
So A+B=180
but A=9B
substitute
9B+B=180
10B=180
B=18 deg
A=162 deg

Answer by ikleyn(52816) About Me  (Show Source):
You can put this solution on YOUR website!
.

In this site,  there are two lessons, closely related to this problem
    - Angles basics
    - Solved problems on supplementary and complementary angles
in this site.

They contain  the theory  and numerous  examples of solved problems of this type  (your  TEMPLATES).

These lessons are written specially for you.

After reading these lessons you will tackle such problems very easy on your own,  without asking for the help from outside.

Consider them as your textbook,  handbook,  tutorials and  (free of charge)  home teacher.