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The ratio of the perimeter of the boundary of the shaded portion to the perimeter of the whole figure is _______.

 The ratio of the perimeter of the boundary of the shaded portion to the perimeter of the whole figure is _______.

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5962 Points
10 months ago
Dear Student

The ratio of the perimeter of the boundary of the shaded portion to the perimeter of the whole figure is 3: 7.

From the figure, perimeter of shaded portion = 1 + 2 + 1 + 2 = 6 units
Perimeter of whole figure = 3 + 4 + 3 + 4 = 14 units
Then, ratio of the perimeter of the boundary of the shaded portion to the perimeter of the whole figure = 6/14

= 3/7
= 3: 7

Thanks

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