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24-08-2019
Mathematics

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(50 Points)
Find the length of AB. Leave your answer in terms of pi.
Enter a decimal rounded to the tenth.

50 Points Find the length of AB Leave your answer in terms of pi Enter a decimal rounded to the tenth class=

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thedemon840 thedemon840

24-08-2019

Answer:

(16/9)pi

Step-by-step explanation:

Where we firstly convert our angle at the centre(O) into radians

40/180 × pi = (2/9)pi

;Then Length of arc AB = radius × angle at O in radians

Arc AB = 8 × (2/9)pi

;Length AB = (16/9)pi

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