perímetro
[tex]p = 2 \times \pi \times r[/tex]
P = 2 × 3.1416 × 7.5
p = 47.124cm
Area
[tex]a = \pi \times {r}^{2} [/tex]
A = 3.1416 × (7.5)²
A = 3.1416 × 56.25
A = 176.715cm²
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perímetro
[tex]p = 2 \times \pi \times r[/tex]
P = 2 × 3.1416 × 7.5
p = 47.124cm
Area
[tex]a = \pi \times {r}^{2} [/tex]
A = 3.1416 × (7.5)²
A = 3.1416 × 56.25
A = 176.715cm²