A point P is 18 cm from the centre of a circle. The radius of the circle is
12 cm. Find the length of the tangent drawn to the circle from the point P.
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Answer:
Given; OP = 18 cm, OQ = 12 cm
OQ .l PQ (Radius is perpendicular to the tangent at the point of contact}
In right OQP, OP2 = OQ2 + PQ2
==> (18)2 = (12)2 + PQ2
==> 324 = 144 PQ2
==> PQ2 =180
� PQ = 1180 cm = 6.15 cm
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छात्रा:
स: भ्रमन्ति। क्रिया के अनुसार कर्ता का रूप the work?
A man can finish a work in 18 days and working with his son in 12 days
Son can finish the same, working alone in
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