The corresponding sides of 2 similar triangles $△ A B C$ and $△ P Q R$ are in the ratio 5 : 2. The length of side PR (in cm) is___________.
Given that AB = 3 cm and AC = 10 cm.

5 cm

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6 cm

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4 cm

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3 cm

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Solution

The correct option is C
4 cm

$△ A B C$ and $△ P Q R$ are similar.

So,
$\frac{A C}{P R}$ is equal to the ratio of corresponding sides.

$\frac{A C}{P R} = \frac{5}{2}$ .

Therefore,
$P R = (\frac{2}{5})$ AC = $\frac{2}{5} \times 10$

$P R = 4 c m$ .

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The corresponding sides of 2 similar triangles $△ A B C$ and $△ P Q R$ are in the ratio 5:2. Given that AB=3 cm and AC=10 cm,the length of side PR (in cm) is___________.

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Given that AB = 3 cm and AC = 10 cm.

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The corresponding sides of 2 similar triangles △ABC and △PQR are in the ratio 5 : 2. The length of side PR (in cm) is___________. Given that AB = 3 cm and AC = 10 cm.

The correct option is C 4 cm △ABC and △PQR are similar. So, ACPR is equal to the ratio of corresponding sides. ACPR=52. Therefore, PR=(25) AC = 25×10 PR=4 cm.

The corresponding sides of 2 similar triangles $△ A B C$ and $△ P Q R$ are in the ratio 5 : 2. The length of side PR (in cm) is___________.
Given that AB = 3 cm and AC = 10 cm.

The correct option is C
4 cm

$△ A B C$ and $△ P Q R$ are similar.

So,
$\frac{A C}{P R}$ is equal to the ratio of corresponding sides.

$\frac{A C}{P R} = \frac{5}{2}$ .

Therefore,
$P R = (\frac{2}{5})$ AC = $\frac{2}{5} \times 10$

$P R = 4 c m$ .