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  1. 360 sq. cm and 250 sq. cm are the area of two similar triangles. If the length of one of the sides of the first triangle be 8 cm, then the length of the corresponding side of the second triangle is
    1. 6
      1
      cm
      5
    2. 6
      1
      cm
      3

    3. 6
      2
      cm
      3

    4. 6 cm
Correct Option: C


ar(∆ ABC)
=
AB²
ar(∆ DEF)DE²

360
=
8 × 8
250DE²

⇒ DE² =
8 × 8 × 250
=
8² × 5²
360

⇒ DE =
8 × 5
=
20
= 6
2
cm
633



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