Question

Which of the following is not a pair of adjacent angles of a parallelogram*

30°, 150°

60°, 120°

90°, 90°

75°, 125°

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Answer 1

Question :- Which of the following is not a pair of adjacent angles of a parallelogram*

A) 30°, 150°

B) 60°, 120°

C) 90°, 90°

D) 75°, 125°

Solution :-

we know that,

• Sum of adjacent angles of a parallelogram are supplementry or add to 180° .

so, checking all options now,

• A) 30° + 150° = 180°
• B) 60° + 120° = 180°
• C) 90° + 90° = 180°
• D) 75° + 125° = 200° ≠ 180° .

therefore, we can conclude that, Option (D) 75° and 125° are not a pair of adjacent angles of a parallelogram .

Learn more :-

In ABC, AD is angle bisector,

angle BAC = 111 and AB+BD=AC find the value of angle ACB=?

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