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xeze [42]
3 years ago
15

The area of the shaded triangles in the fractal shown form a geometric sequence. The area of the largest triangle (not shaded) i

s 1 square unit. Find the areas of these shaded triangles.
Orange: 1/4 square units

Blue: _____ square units

Green: _____ square units


If the pattern continues indefinitely, does the sum of the areas converge? ______
Mathematics
1 answer:
guajiro [1.7K]3 years ago
8 0

Answer:

The correct answers are Blue: \frac{1}{16} square units ; Green:  \frac{1}{64} square units; and Yes the sum converges.

Step-by-step explanation:

Area of the largest triangle is 1 square unit.

The area of the triangle which are colored and follow a geometric sequence with the common ratio being \frac{1}{4}.

Area of the not shaded triangle is given by 1 square unit.

Area of the orange triangle is given by 1 × \frac{1}{4} = \frac{1}{4} square units.

Area of the blue triangle is given by \frac{1}{4} × \frac{1}{4} = \frac{1}{16} square units.

Area of the green triangle is given by \frac{1}{16} × \frac{1}{4} = \frac{1}{64} square units.

If the pattern continues definitely then it becomes an infinite geometric progression series with common ratio \frac{1}{4}. And thus the sum of area coverges as the ratio lies between -1 and 1.

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