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29th of March 2017
Mathematics
Q:

The total surface area of a cube is 726 cm2, find the length of its edge?

Nisha_vini29 - CBSE - Class IX

Wednesday, March 29, 2017 at 17:54:PM

A:

begin mathsize 16px style The space total space surface space area space of space straight a space cube equals 762 space cm squared
Let space straight s space be space the space edge.
rightwards double arrow 6 straight s squared equals 762
rightwards double arrow straight s squared equals 127
rightwards double arrow straight s equals 1.1269 space left parenthesis Approximately right parenthesis end style

Wednesday, March 29, 2017 at 18:04:PM