Find the length of chord of a circle, if-
1.
() Radius = 13 cm and distance of chord from center = 12 cm
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Step-by-step explanation:
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Answer:
10cm
Step-by-step explanation:
Let the chord be xand distance from centre be y and radius z.
In∆xyz,
angle xyz is 90 as straight line from centre is perpendicular bisector of the chord.
Therefore, by Pythagoras theorem
z²=x²+y²
=> 13²= 12²+ x²
=> 169 -144= (x\2) ²
=> √25=x/2
=> x=5*2
=> x=10 cm
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