Math, asked by pooja9992, 1 year ago

What is the length of dc

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Answered by Anonymous
0
hey mate.....
a) we know that....
DB = AC (diameter of same circle)
and DO = OC = OB = OA ( radius of same circle)
now in triangle ODC and OAB
OD = OA
OC = OB
and angle AOB = DOC
so they are congruent by SAS proper

so...by CPCT
AB = CD
CD = 7 cm

HOPE THIS HELPS YOU ☺
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