anncurtis40 anncurtis40

29-03-2021
Mathematics

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Half a circle, 4 in the center with arrows either side. what is the perimeter in cm

Respuesta :

thebecks thebecks

29-03-2021

Answer:

Assuming you mean the diameter is 4 cm:

perimeter = 10.28 cm

Step-by-step explanation:

full circle perimeter = πD = (3.14)(4) = 12.56 cm

half circle = 12.56 cm/2 = 6.28 cm

flat side = 4 cm

6.28 cm + 4 cm = 10.28 cm

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