Question
Asked Feb 23, 2019
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Refer to figure 22, which shows a circle with center at C and a radius of r. 

Find r if AB = 4 and AD = 8. 

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Expert Answer

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Step 1

We have to find value of r from given information as triangle ACD is right angle triangle so  we can apply pythagorean theorem .

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Step 2

Now use  pythagorean theorem and s...

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Trigonometry

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