Using the rules of cosines, the <span>measure of the turn between the second and third legs of the race</span> is given by
Answer:
the answer would be 1/225
Answer:
Option A. 
Step-by-step explanation:
we know that
A perfect square trinomial is equal to

In this problem we have

equate the equations and solve for a

so


therefore
the perfect square trinomial is equal to 