50 points!!!!radius of circle with center o is 4√5 cm ab is the diameter of the circle ae||bc bc=8cm. line ec is tangent at point D. find the length DE
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the Answer is 8 as we construct line OC as hypotaneous then OC will come out as 12. and then we re apply pythagorous in triangle ODC side DC will come out as 8. as if ED=DC=8 AND Also ED=AE so it is also equal to 8
inderjitgarg:
How is ED = DC?
as triangle ODC is congruent to triangle ODE
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The correct answer is 10 cm
Explanation in the attachment below
I checked in the answer key of my book
It came in Maharashtra NTSE stage 1 2017
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