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  1. The perimeters of two similar triangles are 30 cm and 20 cm respectively. If one side of the first triangle is 9 cm. Determine the corresponding side of the second triangle.
    1. 13.5 cm
    2. 6 cm
    3. 15 cm
    4. 5 cm
Correct Option: B

If the required side be x cm, then

30
 =
9
20x

⇒ 3x = 9 × 2
⇒ x =
9 × 2
 = 6 cm.
3


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