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andreev551 [17]
2 years ago
9

What is the perimeter of a semicircle if the diameter is 2

Mathematics
2 answers:
Lelechka [254]2 years ago
5 0

Answer: π+2

Step-by-step explanation:

perimeter of a whole circle is

2πr

r = 1

2π

divide by 2 bc its a semicircle

2π/2 = π

π+diameter

π+2

e-lub [12.9K]2 years ago
4 0

Answer:

Step-by-step explanation:

d = 2

arc length of semicircle = ½×circumference = ½×πd = π

perimeter of semicircle = π + d = π+2

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