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The diagram shows a sector of a circle radius 10 cm. the angle is 135 degrees find the perimeter of the sector giving your answer correct to 1 decimal place. pleaseeee help me
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The diagram shows a sector of a circle radius 10 cm. the angle is 135 degrees

find the perimeter of the sector giving your answer correct to 1 decimal place.


pleaseeee help me

User Ikbal
by
6.7k points

2 Answers

5 votes

Answer: 43.6

step by step explantion:

User Edmond Wang
by
5.2k points
0 votes

Answer:

  • 22.4 cm

Explanation:

Given

  • r = 10 cm
  • θ = 135°

Perimeter of sector is:

  • P = 2r + 2πr(θ/360)
  • P = 2*10 + 2(3.14)(135/360) = 22.4 cm (rounded)
User Oehmiche
by
5.9k points
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