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3 years ago

Can someone pls help me

Mathematics

1 answer:

Tasya [4]3 years ago

8 0

Answer:

Step-by-step explanation:

AB is a tangent to circle o

ABO is a right-angled

AO²=AB²+BO²

$BO=\sqrt{AO^{2}-(AB)^{2})\\}\\\\\sqrt{(8.6)^{2}-(5)^{2} } \\\\=\sqrt{73.96-25} \\\\=\sqrt{48.9} \\\\=6.99\\\\Answer=7$

hope it helps....

have a great day :)

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