The perimeter of one face a of cube is 20 cm. Its volume must be  Choose the correct choice from the following answers
A) 125 cm3	B) 400 cm3	C) 1000 cm3	D) 8000 cm3	E) None
Solution   Edge of the cube	= (20 / 4)= 
<gadget id="calculator">(20 / 4)</gadget>
<output>5</output>
›5 cm.   Volume= (5×5×5)cm3   ‹=›125 cm3.   125 cm3nswer 125 cm3
<result>A</result>
The perimeter of one face a of cube is 20 cm. Its volume must be