Acontractor has installed a silt fence around an area that is semi-circular and level to prevent soil from the construction site entering nearby streams. the diameter of the semi-circle is 1200 feet. how many linear feet of fence does the contractor need to use to enclose the area?

The answer is or

Step-by-step explanation:

we know that

The circumference of a circle is equal to

where

D is the diameter of the circle

In this problem, to calculate how many linear feet are needed, find the perimeter of a semicircle

so

we have

substitute the value

step-by-step explanation:

the answer is 89 d

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in english this is

ex.15 pag.85 create. write in ten lines the continuation of the ballad of the five motanasi, using verbs to the imperfect and to the perfect compound. five stars

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