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28-05-2021
Mathematics

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The diameter of a circle is 18 centimeters. What is the length of a 135° arc?

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31-05-2021

Answer:

21.21

Step-by-step explanation:

length of arc= 135°÷360×2×π×r

take π=22/7

radius=18/2=9

135°÷360×2×22/7×9

using calculator= 21.21

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