Respuesta :

vidalmari6p99qfk

Answer:

204.2     square cm

Step-by-step explanation:

Area of the whole circle

PI x 9 squared =

PI x 81 = 254.4690...

Area whire circle

PI x 4 squared=

PI x 16 = 50.2654

        Subtract white circle from the whole circle

254.4654 - 50.2654 = 204.2035...

ukochan
204.1

Area find by pirsquared 9squared is 81, 4squared is 16.
Quick way to find of the shaded area is bring 81-16 equal 65. Pi times 65 (pi is 3.14) will equal 204.1

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