Two asteroids are 1000 km apart and are heading straight for each other. One asteroid is travelling at 59 km per second and the
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Answer
Circumference(C) of a circle is given by:
where r is the radius and value of
As per the given statement:
A building engineer analyzes a concrete column with a circular cross section.
The circumference of the column is meters.
then;
Divide both sides by we have;
9 = r
or
r = 9 meters
We have to find the area of the cross section of the column
Area of a circle is given by:
then;
meter square.
therefore, the area A of the cross section of the column is meter square.
Answer:
<h2>50MB</h2>Step-by-step explanation: