Something that completes or goes well with something.

In mathematics, a complement is a number that, when added to a given number, results in a specified sum.

पूरक संख्या

English Usage: In a right triangle, the two acute angles are complementary angles; each is the complement of the other.

Hindi Usage: एक समकोण त्रिकोण में, दोनों उत्तल कोण पूरक कोण होते हैं; प्रत्येक दूसरे का पूरक है।

To complete something or make it better by adding to it.

पूरक होना

English Usage: Her skills complement his knowledge perfectly.

Hindi Usage: उसके कौशल उसकी जानकारी को पूरी तरह से पूरक करते हैं।