एक आयताकार फर्श का परिमाप 22 मीटर है यदि इसकी लंबाई 6 मीटर है तो इस वर्ष का क्षेत्रफल क्या होगा
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Step-by-step explanation:
आयताकार फर्श का परिमाप = 2(लंबाई + चौड़ाई)
22 = 2 ( 6 + b)
22 = 12 + 2b
22 - 12 = 2b
10 = 2b
b = 5
l = 6m., b = 5m
आयताकार फर्श का क्षेत्रफल = लंबाई × चौड़ाई
= ( 6 × 5) square m
= 30 square m
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