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प्रश्न
In the following figure, PQ || RS, TR || QU and ∠PTR = 42°. Find ∠QUR.
बेरीज
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उत्तर
Since, PQ || RS and TR is a transversal.
∴ ∠PTR = ∠TRU = 42° ...(i) [Alternate interior angles]
Also, TR || QU and RS is a transversal.
∴ ∠TRU + ∠QUR = 180° ...[Co-interior angles]
⇒ 42° + ∠QUR = 180° ...[Using (i)]
⇒ ∠QUR = 180° – 42° = 138°
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Lines and Angles - Exercise [पृष्ठ १४०]
