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Miscellaneous·2024·Easy

In a triangle ABC, AB=21 cm, BC= 20 cm and CA = 13 cm. A perpendicular CD is drawn upon the longest side. What is the area of the triangle BCD ?

In a triangle ABC, AB=21 cm, BC= 20 cm and CA = 13 cm. A perpendicular CD is drawn upon the longest side. What is the area of the triangle BCD ?

Options

  1. a.

    96 square cm

    Correct answer
  2. b.

    84 square cm

  3. c.

    80 square cm

  4. d.

    72 square cm

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