Answer:
its 15
Step-by-step explanation:
15 units
<u><em>The picture of the question in the attached figure</em></u>
we know that
In the right triangle ABC
Applying the Pythagorean Theorem
we have
substitute the given values
solve for BC
8.13 8.1 8.09 7.36 7.32
is the order
30
(x² + 6x + 9)(x)= x²*x + 6x*x + 9*x = x³ + 6x² + 9x