C-16-Q136mediumsingle_mcqThe diagonal of the solid 25×20×1525\times 20\times 1525×20×15 cm is approximately —a30.0030.0030.00 cmb35.3635.3635.36 cmc40.0040.0040.00 cmd45.0045.0045.00 cmব্যাখ্যাThe diagonal is a2+b2+c2=625+400+225=1250≈35.36\sqrt{a^2+b^2+c^2}=\sqrt{625+400+225}=\sqrt{1250}\approx35.36a2+b2+c2=625+400+225=1250≈35.36 cm.