तीन घन जिनकी भुजाएं 3,4,5 सेमी. हैं, उन तीनों को गलाकर एक बड़ा घन बनाया गया है तो बड़े घन की भुजा ज्ञात करो?
(i)4cm
(ii)5cm
(iii)6cm
(iv)6.5cm
Answers
Answered by
0
Answer:
iii) 6cm is the correct answer
Step-by-step explanation:
volume of cube of side 3,4,5 cm is 27,64,125 respectively
we know on melting these cubes their volume remains same
therefore net volume = 27+64+125=216
So, volume of new cube =216
by using formulae of cube
we get side of cube =6 cm
Similar questions