The chord of a circle of radius 17 cm is 30 cm long. Calculate the distance of the chord from the centre of the circle.
a
15cm
b
47cm
c
8cm
d
169cm
Explanation
Correct Option
cVideo Explanation
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Sensei
2 months ago
SIMPLER WAY OF SOLVING IT.
using py Theory
hyp² = opp² + adg²
17² = 15² + x²
(note x is same thing as adg)
289 = 225 + x²
collect like terms
x² = 289 - 225
x² = 64
square root both sides
X = √64
X = 8.
any questions?
