16mbashir 16mbashir

22-03-2019
Mathematics

contestada

area of circle
sector and finding the percentage

area of circle sector and finding the percentage class=

Respuesta :

thomasisgreat1 thomasisgreat1

22-03-2019

Answer:2592/25

Step-by-step explanation: Big circle is pi*r^2= (4+3+3)^2*pi =314.15 minus 4^2*pi=50.26 equals 263.89. the big circle minus the first 2 layers of the circle = the outer circle. 314.15-(4+3)^2*pi=160.21 263.89-160.21=2592/25

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