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The area of the largest circle that can be drawn inside a rectangle with sides 18cm and 14cm is_________?

Correct answer: B. 154 Sq.cm

  • A. 49 Sq.cm
  • B. 154 Sq.cm
  • C. 378Sq.cm
  • D. 1078 Sq.cm

Explanation

The largest circle inside a rectangle cannot have a diameter greater than the shorter side, 14 cm. Thus its radius is 7 cm and its area is 22/7 × 7 cm × 7 cm = 154 cm². The likely trap is 49 cm², which uses the radius squared but forgets to multiply by pi.

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Area measures the surface enclosed by two-dimensional figures, while volume measures the space occupied by three-dimensional solids. Problems use formulas for rectangles, triangles, circles, prisms, cylinders, cones, spheres, and composite figures, including unit conversion and the distinction between surface area, lateral area, and volume.

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