$\"\"$

Observe the figures:

Consider the first triangle is $\"\"$ and second triangle is $\"\"$ .

$\"\"$ measures are $\"\"$ and $\"\"$ .

If $\"\"$ and $\"\"$ are similar, then measures of their corresponding sides are proportional.

$\"\"$

The sides are proportional.

Therefore, $\"\"$ and $\"\"$ are measures are equal. $\"\"$

Yes; the sides are proportional.