13. Surface Areas and Volumes पृष्ठीय क्षेत्रफल और आयतन EX ERCISE 13.1 Unless stated otherwise, take π = 22/7 ( जब तक अन्यथा न कहा जाए , π =22/7 लीजिए।) 1. 2 cubes each of volume 64 cm3 are joined end to end. Find the surface area of the resulting cuboid. 1. दो घन…
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