Can someone please help me with this question?

9514 1404 393

  19.0 cm

Step-by-step explanation:

The length of each arc is given by ...

  s = rθ

where r is the radius of the arc, and θ is its central angle in radians.

The sum of the two arc lengths is ...

  s1 +s2 = (8 -4.5)(50(π/180)) +(8)(50(π/180)) = (16 -4.5)(5π/18) ≈ 10.0356

The sum of the two straight sides is ...

  2·4.5 = 9.000

So, the perimeter is ...

  P = arc lengths + straight sides = 10.0356 cm + 9.0000 cm ≈ 19.0 cm

i got 86 for this

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if you need an explanation just ask

the correct answer is x/3+10≥32

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