Question on: JAMB Mathematics - 2000
A
32cm
B
26cm
C
20cm
D
16cm
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Correct Option: B
(\bigtriangleup)OEN = (\bigtriangleup)OGN
OE = OG = r(radii)
(r - 8)2 + 122 = r2
r2 - 16r + 64 + 144 = r2
16r = 64 + 144 = r2
16r = 64 + 144 = 208
(\frac{208}{16}) = 13cm
FH = 2FO = 2OH = 2R
= 2 x 13cm
= 26cm
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