যদি বর্গক্ষেত্রের বাহু (2x + 5) সেমি ও পরিসীমা 28 সেমি হয়, তবে x-এর মান নির্ণয় করুন।

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  2. 2
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  4. 4

Answer (Detailed Solution Below)

Option 1 : 1
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প্রদত্ত:

বাহু = (2x + 5) সেমি

পরিসীমা = 28 সেমি

অনুসৃত সূত্র:

পরিসীমা = 4 × বাহু

গণনা:

বাহু = (2x + 5) সেমি

পরিসীমা = 4 × বাহু

⇒ 28 = 4(2x + 5)

⇒ 2x + 5 = 7

⇒ 2x = 2

⇒ x = 1

 x-এর মান 1

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