2 Answers

Vimfluencer · Answer 1 · 2021-10-14T15:35:09+0000

Answer:

23.55

Explanation:

We know it's three quarters of a circle since the angle is
270 °

Therefore we can calculate like a normal circle and multiply by
(3)/(4) .

The formula for calculating the circumference is 2 times pi times the radius or
$2\pi r$ .

$\pi=3.14\\2*\pi=6.28\\6.28*5=31.4\\31.4*(3)/(4)=23.55$

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