Q:

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:

• 1
  72 $$cm^2$$
• 2
  144 $$cm^2$$
• 3
  97 $$cm^2$$
• 4
  194 $$cm^2$$