The sides of - ABC are 9 cm - 15 cm and 18 cm- Find the perimeter of the smaller triangle which is similar to - ABC if the ratio of corresponding sides is 3 -A- 9- 16B- 16- 9C- 3- 4D- 4- 3

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Question

The sides of $Δ ABC$ are 9 cm, 15 cm and 18 cm. Find the perimeter of the smaller triangle which is similar to $Δ ABC$ if the ratio of corresponding sides is 3.

9:16

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16:9

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3:4

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4:3

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Solution

The correct option is C
3:4

It is given that the ratio between the corresponding sides of the triangles is 3.
Therefore, the smaller triangle will have sides of 3 cm, 5 cm, 6 cm.
The perimeter of the smaller triangle = 3 + 5 + 6 = 14 cm

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The sides of ΔABC are 9 cm, 15 cm and 18 cm. Find the perimeter of the smaller triangle which is similar to ΔABC if the ratio of corresponding sides is 3.

The correct option is C 3:4 It is given that the ratio between the corresponding sides of the triangles is 3. Therefore, the smaller triangle will have sides of 3 cm, 5 cm, 6 cm. The perimeter of the smaller triangle = 3 + 5 + 6 = 14 cm

The sides of $Δ ABC$ are 9 cm, 15 cm and 18 cm. Find the perimeter of the smaller triangle which is similar to $Δ ABC$ if the ratio of corresponding sides is 3.

The correct option is C
3:4

It is given that the ratio between the corresponding sides of the triangles is 3.
Therefore, the smaller triangle will have sides of 3 cm, 5 cm, 6 cm.
The perimeter of the smaller triangle = 3 + 5 + 6 = 14 cm