taevondeal taevondeal

21-04-2022
Mathematics

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What is the length of the Radius if AB is tangent to OB

What is the length of the Radius if AB is tangent to OB class=

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jsimpson11000 jsimpson11000

23-04-2022

Answer:

r = 5 units

Step-by-step explanation:

One way is to use the Pythag Theroem

12 ^2 + r^2 = (8+r)^2

144 + r^2 = 64 + 16r + r^2

80 = 16 r r = 5

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