Comparison of Angles Formed by Intersecting Lines

Medium Geometry Lines And Angles

In the diagram below, two lines intersect at point O. Line AB forms angle 1 and line CD forms angle 2. It is known that the measure of angle 1 is $30$ degrees, and the lines are perpendicular to one another.

Based on this information, what can be said about the measures of angle 1 and angle 2?

Quantity A is greater than Quantity B.

Quantity A is less than Quantity B.

Quantity A is equal to Quantity B.

The relationship cannot be determined from the information given.

Hint

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