Quadrilaterals are similar if their corresponding sides are proportional. true or false

FALSE

Step-by-step explanation:

Corresponding angles must also be congruent for the figures to be similar. Proportional sides is not a sufficient condition.

The given statement is true.

Step-by-step explanation:

Quadrilaterals are similar if their corresponding sides are proportional.

This statement is true.

Quadrilaterals are similar when

a) corresponding angles are equal

b) the corresponding sides are proportional i, e the ratios of corresponding sides are equal

So, the given statement is true.