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Quadrilateral ABCD is drawn around a circle so that all four sides touch it. AB = 6 cm, BC = 7 cm and CD = 4 cm. Find AD.

Class 10Tangent Lengths and IncirclesGeometry
  • A17 cm
  • B3 cm
  • C9 cm
  • D5 cm

Step-by-Step Solution

For a quadrilateral circumscribing a circle, AB + CD = AD + BC. So 6 + 4 = AD + 7, giving AD = 3 cm.
Answer: B) 3 cm

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