Physics, asked by abhayjangde71, 2 months ago

प्रकाश को प्रकाश से मिलाने पर अन्धकार उत्पन्न हो सकता है ।"इस परिघटना का नाम लिखिए तथा स्पष्ट किजीए ​

Answers

Answered by jaiyantchoudhary864
0

Explanation:

Perimter=sum of all lengths of sides of triangle

⇒ Perimeter =3a {a= side of triangle }

⇒45=3a

⇒a=15cm.

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