Answer:-9
Step-by-step explanation:
Answer:
CBD=63
Since ABD is the total angle which contains CBD and ABC, ABC+CBD=96. With this, you can set up an equation.
6x+27+7x-9=96
13x+18=96
13x=78
x=6
6x+27=6(6)+27=36+27=63 degrees. Hope this helps!
Rational
It's a whole number so it's rational.
