Respuesta :

Hamed313

Answer:

[tex]18 \times 18 \times 0.25 \times 0.5 \times 3.14 = 127.17[/tex]

jcherry99

Answer:

127.17

Step-by-step explanation:

Area = pi * r^2 / 2

pi = 3.14

d = 18

r = d / 2

r = 18/2

r = 9

Area = 3.14 * 9^2 /2

Area = 3.14 * 81 / 2

Area = 254.34 / 2

Area = 127.17

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