NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 5: Lines And Angles - Problems and Solutions
Question 84

Question. 84

84. What is the type of other angle of a linear pair if

(a) one of its angles is acute?

(b) one of its angles is obtuse?

(c) one of its angles is right?

Answer:

(a) Obtuse

(b) Acute

(c) Right angle

Detailed Answer with Explanation:

Linear pair = 180°. If one is acute (<90°), the other is obtuse (>90°). If one is obtuse (>90°), the other is acute (<90°). If one is right (90°), the other is also right (90°).

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