find the ratio between the area of shaded and the unshaded portion of the following figure
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12
Answer:
please see the attachment
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6
Answer:
11:3
Step-by-step explanation:
let the length& breadth of rectangular figure is 3r & 2r
area of rect.figure = 3r×2r = 6r^2
area of shaded portion
= πr^2 + πr^2/2 = 3πr^2/2= 66r^2/14
area of unshaded portion
= 6r^2 - 66r^2/14 =18r^2/14
shaded: unshaded
= 66r^2/14 : 18r^2/14
= 66 : 18 = 11 : 3 Answer
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