a chord distant 2cm from the centre of a circle is 18cm long. Calculate the length of a chord of the same circle which is 6cm distant from the centre.
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Answer:
14 cm
Step-by-step explanation:
Radius² = 2² + (18/2)²
Radius² = 4 + (9)²
Radius² = 4 + 81
Radius² = 85
(Half of chord)² = Radius² - 6²
(Half of chord)² = 85 - 36
(Half of chord)² = 49
(Half of chord) = √49
(Half of chord) = 7
Chord = 2 * (Half of chord)
Chord = 2 * 7 = 14 cm
amitnrw:
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op answer thanks it helps me a lot by the way hats off
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