Perimeter of the figure that has 6 pentagons.
Answer to Problem 22PT
Perimeter of the figure that has 6 pentagons = 20 cm
Option C
Explanation of Solution
Given information: Given series of figures,
One side each regular pentagon is 1 cm.
In 1st figure, there are 5 sides. Perimeter is 5 cm (some of sides)
In 2nd figure, there are 8 sides. Perimeter is 8 cm.
In 3rd figure, there are 11 sides. Perimeter is 11 cm.
Observe the pattern.
Here we see that, common difference is 3 (difference between two consecutive terms).
Perimeter of figure that, contain 4 pentagons is
Perimeter of figure that, contain 5 pentagons is
Perimeter of figure that, contain 5 pentagons is
So, Option C is correct.
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