3 years ago

What is the perimeter of semicircle with radius of 3cm

Mathematics

2 answers:

EleoNora [17]3 years ago

8 0

Answer:

15.42 cm

Step-by-step explanation:

perimeter of semicircle = πr + 2r

=3.14*3 + 2*3

=9.42 + 6

=15.42

sergiy2304 [10]3 years ago

4 0

Answer:

198/7

Step-by-step explanation:

perimeter of semi circle= (pi) x r + d

= 22/7 x 3 + 6

= 198 cm

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