1 .	Two ci rc les of radi i 4 cm and 9 cm respectively touch each other externally at a point and a common tangent touches them at the points P and Q respectively. Then the area of a square with one side PQ, is –
[ A ]    72 sq. cm [ B ]    144 sq. cm [ C ]    97 sq. cm [ D ]    194 sq. cm
Answer : Option B Explanation :
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