ICSE Class 9 Answered
Three cubes,whose edges are x cm,8 cm and 10 cm respectively, are melted and recasted into a single cube of edge 12 cm. Find 'x'.
Asked by Govind | 24 Oct, 2018, 06:21: AM
Expert Answer
Volume of a single cube = (side)3 = (12)3 = 1728 cm3
Volumes of three cube = (x)3 + (8)3 + (10)3
According to the condition in the question, we get
(x)3 + (8)3 + (10)3 = 1728
After solving, we get
x= 6 cm
Answered by Yasmeen Khan | 24 Oct, 2018, 12:33: PM
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