If the diameter of the semicircle is 1.7 centimeters, what is the perimeter of this figure in centimeters?
2 answers:
Answer:
Step-by-step explanation:
we know that
The perimeter of the figure is equal to the circumference of a semicircle plus two times the length of mm
Find the circumference of a semicircle
The circumference of a semicircle is equal to
we have
substitute
convert mm to cm
The perimeter of the figure is equal to
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Answer:
The x's cancel so definitely is choice C: 1/9
Step-by-step explanation:
We have root( 1/(x^2) ) * root ((x^2) / 81)
simplifying this we get as follows:
root( 1/(x^2) ) * root ((x^2) / 81)
= *
= ( 1/x ) * (x/9)
the x's cancel
= 1/9
choice C 1/9