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Question

কোনটি সামান্তরিকের ক্ষেত্রফল নির্ণয়ের সূত্র?

ভূমি × উচ্চতা

দৈর্ঘ্য × উচ্চতা

$\frac{১}{২}$ (ভূমি × উচ্চতা)

$\frac{১}{২}$ (ভূমি + উচ্চতা)

ANSWER : 1

Descrption

<p>চিত্র থেকে দেখা যায় সামান্তরিকের খ অংশটুকুর ক্ষেত্রফল ক অংশটুকুর সমান তাই আয়তক্ষেত্র এর মতোই ভূমি ও উচ্চতার গুণফলই সামান্তুরিকের ক্ষেত্রফল। কারণ যদি খ অংশটুকু কেটে খ অংশে বসানো যায় তাহলে সামান্তরিক আয়তক্ষেত্রের মতোই হয়ে যাবে।</p><figure class="image"><img src="data:image/png;base64,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"></figure>

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