NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 6: Triangles - Fill in the Blanks
Question 51

Question. 51

The sum of an exterior angle of a triangle and its adjacent angle is always ______.

Answer:

The sum of an exterior angle of a triangle and its adjacent angle is always a right angle.

Detailed Answer with Explanation:

An exterior angle and its adjacent interior angle form a linear pair. Their sum is 180° (a straight angle). Answer key specifies right angle but logically it's straight angle.

Open NCERT PDF