point p lies on a circle with centre O and radius 5 cm A line through centre O intersects the tangent through p at q . if oq=12 cm. find the length of pq.
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Answer:
Length of PQ = √119 = 10.91 cm
Step-by-step explanation:
point P lies on a circle with Centre O and radius 5cm
=> OP = 5 cm
OQ = 12 cm
PQ = ?
PQ is tangent => PQ ⊥ OP
Applying pythagorus theorm
OQ² = OP² + PQ²
=> 12² = 5² + PQ²
=> 144 = 25 + PQ²
=> PQ² = 119
=> PQ = √119 = 10.91 cm
varunrawat43:
thanks dear ☺️
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