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Ksju [112]
3 years ago
13

Kaylee is painting a design on the floor of a recreation room using equilateral triangles. She begins by painting the outline of

Triangle 1 measuring 50 inches on a side. Next, she paints the outline of Triangle 2 inside the first triangle. The side length of Triangle 2 is 80% of the length of Triangle 1. She continues painting triangles inside triangles using the 80% reduction factor. Which triangle will first have a side length of less than 29 inches?
Mathematics
2 answers:
KatRina [158]3 years ago
8 0
The correct answer for the given problem above would be the fourth triangle. So here is the given solution: Since Triangle 1 is already given with a measurement of 50 inches, and 80% of 50 inches if 40. Triangle 2 then is 40 inches. 80% of 40 is 32, so triangle 3 is 32 inches, and then 80% of 32 is 25.6 inches so triangle 4 is 25.6 inches. Therefore, the triangle that will first have a side length of less than 29 inches is triangle 4.
Archy [21]3 years ago
8 0

Answer:

A. Triangle 4

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Nadusha1986 [10]

Answer:

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Step-by-step explanation:

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A circle with a radius of 5 cm sits inside a 11 cm x 11 cm rectangle.

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What is the area of the shaded region as shown in the figure ?

Solution:

First of all calculate area of circle and then area of rectangle:-

Area\ of\  cirle=\pi r^{2}

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Now, area of shaded region = Area of square - Area of circle

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Download docx
5 0
3 years ago
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