Question

the perimeter of two similar triangles are 25cm and 15cm if one side of the first triangle is 9​

Answer 1

Answer:

The sides of the first triangle are : 9cm , 3cm and 3cm.

The sides of the second triangle are : 15cm , 5cm and 5cm.

Step-by-step explanation:

First , we should find out the scale by which the first triangle has been turned into the second triangle.....

Let this scale be x

The perimeters of the similar triangles are 15cm and 25cm

Then 15 × x = 25

x = 5/3

9 × 5/3 = 15cm

Then

3 × 5/3 = 5cm

3 × 5/3 = 5cm

9 + 3 + 3 = 15cm , and 15 + 5 + 5 = 25cm....

Therefore the sides of the triangles are of length 9cm, 3cm, 3cm and 15cm , 5cm , 5cm

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