2005
Mathematics
67ca00ce0c643c71d77dee1f
A chord of a circle subtends an angle of 60° at the length of a circle of radius 14 cm. Find the length of the chord
A.
7 cm
B.
14 cm
C.
21 cm
D.
28 cm
Correct Answer: 14 cm
Explanation
Chord Length (L) = 2×Radius×(sin(angle/2)) = 2×14×(sin60/2) = 28×(sin30) = 28×1/2 = 14cm
Chord Length (L) = 2×Radius×(sin(angle/2)) = 2×14×(sin60/2) = 28×(sin30) = 28×1/2 = 14cmTHIS WEEK's
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