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Sagot :
Answer:
below
Step-by-step explanation:
perimeter of a semicircle
½*2πr
=πr
=3.142*3
=9.42 ft
Answer:
A
Step-by-step explanation: 6 5 17 17
the perimeter is a semi-circle PLUS the diameter d = 6 ft
so
C = 2π r semi-circle C/2 = π r r = d/2 = 3 ft
total perimeter is
perimeter = C/2 + d
= π r + d
= 3π + 6
= 3(3.14) + 6
= 15.425 ft
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