Answer:
-4/3 is the answer :)
Step-by-step explanation:
When you multiply radical expressions you multiply the numbers under the radical symbols.<span><span>3–√</span>×<span>7–√</span>=<span>21<span>−−</span>√</span></span>
When you add radical expression you CANNOT add the numbers under the radical symbols.
<span><span>3–√</span>+<span>7–√</span>≠<span>10<span>−−</span><span>√</span></span></span>
Remember the formula of the area of a circle is:

SO given that
V = 226.98
and

Plug in a chug
226.98 = 3.14 *


r = 8.50
Remember that d = 2 * r
d = 2 * 8.5 = 17