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Two circles of radii 4 cm and 9 cm respectively touch each other externally at a point and a common tangent touch them at the points P and Q respectively. Then the area of square with one side PQ, is:
5Q:
Two circles of radii 4 cm and 9 cm respectively touch each other externally at a point and a common tangent touch them at the points P and Q respectively. Then the area of square with one side PQ, is:
- 172 $$cm^2$$false
- 2144 $$cm^2$$true
- 397 $$cm^2$$false
- 4194 $$cm^2$$false
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