II. Read and solve the problem.
Each edge of a cube is 6cm long. Find the surface area of the cube.
Understand:
17.What is asked?
18. What are the given?
Plan:
19. What strategy can we use to solve the problem?
Write the formula:
20. Solution: Use the formula in finding the surface area of a cube to solve.
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Answer:
Each edge of a cube is 6cm long. Find the surface area of the cube.
Understand:
What is asked? The surface area of the cube.
What are the given? A cube with a 6cm edge.
Plan:
What strategy can we use to solve the problem? Squared and multiple the sides by 6.
Write the formula: SA = 6a²
Solution: Use the formula in finding the surface area of a cube to solve.
SA = 6a²
SA = 6 (6)²
SA = 6 (36)
SA = 216 cm²
The surface area of the cube is 216 cm²
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Answer:
1. in the photo
2.6cm long
3.
4.A=216cm²
Step-by-step explanation:
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