Math, asked by tomaramarvalobasa123, 5 months ago

দশম শ্রেণির ৬ষ্ঠ অধ্যায় জ্যমিতি, প্রমান কর যে ত্রিভুজ PQR এর জন্য cotP+cotQ =2cotR হলে, PR^2+QR^2=2PQ^2 হয়।

Answers

Answered by Anonymous

1

Step-by-step explanation:

23+34= 57.

hope it's help you

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