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Please help me find the radius of r

Please help me find the radius of r-example-1
User Jessibel
by
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2 Answers

2 votes

Answer:

4² + r² = (2+ r)²

16 + r² = 4 + 4r + r²

12 = 4r

r = 3

User Dmitriy Zub
by
8.7k points
2 votes

Explanation:

using Pythagoras theorem

User Angel Angel
by
7.7k points