Question

The perimeters of two similar triangles are 25cm and 15cm. If one side of first triangle is 9cm, then what is the corresponding side of the other triangle

Answer 1

As the triangles shows that the first triangle is 25/15=5/3 times bigger than the corresponding triangle.
therefore'
5/3 of x cm = 9 cm
x cm = (9*3/5)cm
$= x = \frac{27}{5}$

Answer 2

Answer: perimeter of ratio of two similar triangles is equal to the ratio of their corresponding side

X=side

25÷15=9÷X

X=15×9÷25

X=27÷5

X=5.4cm

The corresponding side of the second triangle is 5.4cm