kat3656 kat3656

05-10-2020
Mathematics

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work out the perimeter of a semicircle with radius 3cm. give your answer in terms of pi

work out the perimeter of a semicircle with radius 3cm give your answer in terms of pi class=

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navinbhusal5 navinbhusal5

05-10-2020

Answer:

[tex]\pi r + d \\ [/tex]

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chime75 chime75

05-10-2020

The circumference of a circle = 2πr

But here they asked half of the circumference = πr

By substituting this we get the answer 3π

Now add the diameter = 3π+6

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