NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 5: Lines And Angles - Fill in the Blanks
Question 43

Question. 43

If the sum of measures of two angles is 180°, then they are ______.

Answer:

If the sum of measures of two angles is 180°, then they are supplementary.

Detailed Answer with Explanation:

By definition, two angles are supplementary if their sum is 180°.