alleryएक आयताकार हॉल 12 m लंबा और 9 m चौड़ा है। इसके फर्श का क्षेत्रफल क्या है?
A42 m²
B21 m²
C96 m²
D108 m²
Answer & Solution
Correct answer: D. 108 m²
आयत का क्षेत्रफल = लंबाई × चौड़ाई होता है, इसलिए 12 × 9 = 108 वर्ग मीटर (m²)।
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