Answer:

Step-by-step explanation:
<em>Standard form:</em>

Identify the values in:


Answer:
Step-by-step explanation:
the diameter of this circle is 7.4 km
the radius of this circle is 7.4 km/2=3.7 km
second choice
Answer:
x = 10.0
Step-by-step explanation:
Using the geometric mean formula:
x projection
----------------- = ---------------
entire base x
Here, the projection is 5 and the entire base is (20 + 5). So:
x 5
------------ = ------------
25 x
Cross multiply:
x² = 25 (5)
x² = 100
√x² = √100
x = 10
Answer:
it does not
Step-by-step explanation: