The area of rectangle is 40 cm² and one of its sides is 8 cm long .What will be its perimeter?

A 26cm

B 13cm

C 28cm

D 20cm

Solution

Correct Answer: Option A

মনে করি ,
আয়তক্ষেত্রটির প্রস্থ =x
প্রশ্নমতে ,
8×x =40
⇒ x=40/8
∴ x=5
পরিসীমা =2 (8+5)
             =2×13
             =26

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