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16-03-2022
Mathematics

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Need help on circle work

Please help me . I don't understand how to do this work.

Need help on circle work Please help me I dont understand how to do this work class=

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zsm2800 zsm2800

16-03-2022

Answer:

Step-by-step explanation:

Radius = OC = OD + DC = 6 + 4 = 10

In ΔODB, OB = radius = 10, OD = 6, so

[tex]DB=\sqrt{OB^2-OD^2}=\sqrt{10^2-6^2}=8\\[/tex]

Similarly, AD = 8

Then AB = AD + DB = 16

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