Two Chords AB,CD of lengths 5cm and 11 cm respectively of a circle are parallel. If the distance between AB and CD is 3cm,find the radius of the circle
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Step-by-step explanation:
Now,
If a perpendicular is drawn from centre to chord it is always bisecting it so,
In ∆ AEO
AO²=AE²+EO²
=(2.5)²+(1.5)²
=6.25+2.25
AO²=8.5
.°. AO= √85/10
=3 cm(App.)
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