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Question
The perimeters of two similar triangles are 25 cm and 15 cm respectively. If one side of the first triangle is 9 cm, then the corresponding side of second triangle is ______.
Fill in the Blanks
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Solution
The perimeters of two similar triangles are 25 cm and 15 cm respectively. If one side of the first triangle is 9 cm, then the corresponding side of second triangle is 5.4 cm.
Explanation:
Ratio of the perimeter of 2 similar triangles = Ratio of corresponding sides
∴ `25/15 = 9/"Side"`
⇒ Side = `(9 xx 15)/25`
⇒ Side = 5.4 cm
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