Exercise 1 Page 111 Math 5 Textbook

Guide to Solve Exercise 1 Page 111 Math 5 Textbook

Problem Statement:
Calculate the surface area and total area of a cube with edges of 1.5m.

Solution method:
- Formula for calculating the surface area of a cube: S_sa = 4.a²
=> Verbal statement: The surface area of a cube equals the square of the length of one side multiplied by 4.
- Formula for calculating the total surface area of a cube: S_tsa = 6.a²
=> Verbal statement: The total surface area of a cube equals the square of the length of one side multiplied by 6. 

Answer:
The surface area of the cube is:
        (1.5 x 1.5 ) x 4 = 9 (m²)
The total surface area of the cube is:
       (1.5 x 1.5 ) x 6 = 13.5 (m²).
Answer: 9m²; 13.5m²

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