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Oksanka [162]
3 years ago
9

The diameter of a semicircle is 10 meters. What is the perimeter of the semicircle, in meters? Round your answer to the nearest

tenth.
Mathematics
2 answers:
Taya2010 [7]3 years ago
3 0

Answer:

25.7 m

Step-by-step explanation:

The formula for the circumference of a circle is C = 2(pi)(r), where r is the radius, which in turn is half the diameter.  Thus, the formula for the circumference is C = (d)(pi).  The perimeter of a semicircle is half that, or

C = (pi)(r), which here is (3.14)(5 m) = 15.7 m.  Finally, the total perimeter is the sum of this 15.7 m and the 10 m diameter of the circle:

P = 15.7 m + 10 m = 25.7 m

blondinia [14]3 years ago
3 0

Answer:

<h2><u>Solution </u><u>:</u><u>-</u></h2>

Circumference of the semicircle = π r

=> 22/7 × 5

=> 15.5 m

Now

Perimeter = 15.5 + 10 = 25.5 m

\\

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