Page 38 - E booklet prep 2_Neat
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Example (4):
The sum of lengths of all edges of a cube is 60 cm Find:
1] Its volume 2] Its total area
Side = 60 ÷ 12 = 5 cm
Volume = 5 x 5 x 5 = 125 ??????
Total area = 5 x 5 x 6 = 150 ??????
Example (5):
The volume of a cube is 64 cm3 , then Find lateral area
Lateral area = v???? = 4 cm
??
Example (6):
The total area of a cube is 96 cm2 , find the area of one face
Area of one face = ???? = 16 ??????
??
1ST TERM MATH-PREP.2
38 | P a g e
