Question

O center of the circle and length of the chord is 8cm seg op perpendicular chord Ab if a 3cm than find a radius of circle

Answer 1

Step-by-step explanation:

Given o is the center of circle,OM-3 cm

and AB-8 cm

LTE 31%

Join O to A and B

In figure OM show that the perpendicular from center O on cord AB

WE know that Perpendicular from the Center of a Circle to a Chord Bisects the Chord.

Then AM-BM

So AM-BM-2AB=28=4cm

ΔΑΟΜ

(AO)2=(AM)2+(OM)2=(4)2+(3)2=16+9=25

→ AO=5cm

Then AO is the radius of circle

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