3 years ago

What is the best approximation for the perimeter of a semicircle with a diameter of 12 cm?

2 answers:

6 0

When we speak of the word "perimeter" of a circle, we mean to say the circumference. Since we are only given a semicircle, the perimeter would be,
perimeter = (pi)(radius) + diameter
Substituting the known values,
perimeter = (3.14)(6 cm) + 12 cm
The value of the perimeter is,
perimeter = 30.84 cm

Fittoniya [83]3 years ago

3 0

Answer:

just confirming that the answer is 30.84.

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