2009
Mathematics
67ca00ce0c643c71d77dee1f
A chord drawn 5 cm away from the center of a circle of radius 13 cm. Calculate the length of the chord?
A.
7cm
B.
9cm
C.
12cm
D.
24cm
Correct Answer: 24cm
Explanation
x2 + 52 = 132 x2 + 25 = 169 x2 = 144 x = √ 144 = 12 Length of the chord AB = 2x 2×12= 24cm
x2 + 52 = 132 x2 + 25 = 169 x2 = 144 x = √ 144 = 12 Length of the chord AB = 2x 2×12= 24cmTHIS WEEK's
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