find the length of a chord which is at a distance of 8 cm from the centre of circle of radius 17 cm
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Given:
The radius of the circle=17cm
Distance of the chord from the centre=8cm
To find:
Length of the chord
Solution:
We can find the radius by following the given process-
From the given information, we know that the radius, perpendicular to the center, and the chord form a right-angled triangle.
Let the length of the chord be 2C cm.
But in the triangle, the base is only half of the chord.
So, the base of the triangle formed= length of chord/2
=2C/2= C cm
Using the Pythagoras theorem, we get
C=√225
C= 15 cm
Length of chord=2C
=2×15
=30cm
Therefore, the length of the chord is 30 cm.
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