ICSE Class 8 Answered
a chord length 16cm is at a distance of 6cm from the centre of circle . find the length of the chord of the same circle at the distance of 8cm from the centre
Asked by chaudharysn165 | 04 Jan, 2019, 08:16: AM
Expert Answer
Here,
OF is perpedicular to CD.
In ΔOFD,
OD2 = OF2 + FD2 = 62 + 82 = 100
OD = 10 cm
OD = OB = 10 cm ...(radii of the same circle)
Similarly,
OB2 = OE2 + BE2
102 = 82 + BE2
102 = 82 + BE2
BE= 6 cm
Therefore length of the Chord = a + a = 6 + 6 = 12cm
Answered by Yasmeen Khan | 04 Jan, 2019, 11:35: AM
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