if OL=5CM,OA=13CM,find AB?
naveenroy00:
is it a triangle??
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OL= Radius = r = 5 cm
OA = length of the tangent = 13 cm
AB =distance from center to external point =d
d =√OA²-r²
=√(13)²-5²
=√169-25
=√144
=12 cm
OA = length of the tangent = 13 cm
AB =distance from center to external point =d
d =√OA²-r²
=√(13)²-5²
=√169-25
=√144
=12 cm
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