Answer:
ANSWERS:
50.24 cm²
78.5 cm²
113.04 cm²
153.86 m²
200.96 m²
FORMULA:
A = πr²
MEANINGS:
A means area
π means pi or 3.14 (rounded)
r means radius
SOLUTIONS:
1. A = πr²
A = (3.14)(4 cm)²
A = (3.14)(16 cm²)
A = 50.24 cm²
2. A = πr²
A = (3.14)(5 cm)²
A = (3.14)(25 cm²)
A = 78.5 cm²
3. A = πr²
A = (3.14)(6 cm)²
A = (3.14)(36 cm²)
A = 113.04 cm²
4. A = πr²
A = (3.14)(7 m)²
A = (3.14)(49 m²)
A = 153.86 m²
NOTE: if the given radius in number 5 is
8 m here is the answer.
5. A = πr²
A = (3.14)(8 m)²
A = (3.14)(64 m²)
A = 200.96 m²
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