If AB = 21 centimeters, and BC = 28 centimeters, which does AC equal?
2 answers:
You might be interested in
The subtraction theorem states that for all real numbers, 
and 
, 
.
(To subtract, we can add the inverse.)
Thus, we can have the these two equivalent expressions.
(To subtract, we can add the inverse.)
Thus, we can have the these two equivalent expressions.