Q 30. If an angle of a parallelogram is
two-third of its adjacent angle, then
find the smallest angle of the
parallelogram.(ਜੇਕਰ ਕਿਸੇ ਸਮਾਂਤਰ ਚਤੁਰਭੁਜ
ਦਾ ਇੱਕ ਕੋਣ ਇਸਦੇ ਲਾਗਵੇਂ ਕੋਣ ਦਾ ਦੋ-ਤਿਹਾਈ ਹੈ ਤਾਂ
ਇਸ ਚਤੁਰਭੁਜ ਦਾ ਸਭ ਤੋਂ ਛੋਟਾ ਕੋਣ ਪਤਾ ਕਰੋ)
O 36°
O 120°
O 72°
90°
Answers
Answered by
32
Answer:
In a parallelogram ABCD,
Let ∠A be x and ∠B be 2x / 3
∴ ∠A + ∠B = 180°
⇒ x + 2x / 3 = 180°
⇒ 5x / 3 = 180°
⇒ x° = 180° × 3 / 5 = 108°
∠A = 108° , ∠B = 2 / 3 × 108° = 72°
Answered by
1
this is your answer. see
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