Two cubes each of edge 3 cm are joined end to end. Find the surface area of the resulting cuboid.
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Step-by-step explanation:
AS THE 2 CUBES ARE JOINED END TO END SO DIMENSIONS OF THE RESULTANT CUBOID WOULD BE :
=>L = 6 CM
=>B = 3 CM
=>H = 3 CM
=AS, SURFACE AREA OF CUBOID IS
=>2(LB+BH+HL)
SO,
BY PUTTING VALUES IN PLACES WE GET,
=>2(18+9+18)
=>OR 90 SQ. CMS
hence answer is 90 cm square
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