Question

the permeter of one face of a cube is 40 cm find the lsa and tsa the cube​

Answer 1

Answer:

Let length of one edge of the cube is a

Perimeter of one face of a cube is 40 cm

⇒4a=40

⇒a=

4

40

⇒a=10 cm

length of one edge=10 cm

no of edge in a cube=12

sum of length of all the edges of cube=12×10cm =120cm.

Answer 2

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