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2 years ago

5

the smallest video camera is 0.99 millimeter in diameter. Is the diameter of the video camera leas than or greater than 0.1 mill

imeter

1 answer:

tensa zangetsu [6.8K]2 years ago

7 0

Answer:

Less than .1 mm

Here's how it looks approaching .1

.97

.98

.99

.100 --> .1

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Answer:

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Thus,

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Consider isosceles triangle MSC. In this triangle

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$A_{MSC}=\dfrac{1}{2}MS\cdot MC=\dfrac{1}{2}\cdot (\sqrt{2}-1)a\cdot (\sqrt{2}-1)a=\dfrac{(\sqrt{2}-1)^2a^2}{2}=\dfrac{(3-2\sqrt{2})a^2}{2}$

Consider right triangle PTS. The area of this triangle is

$A_{PTS}=\dfrac{1}{2}PT\cdot TS=\dfrac{1}{2}a\cdot a=\dfrac{a^2}{2}$

The area of the quadrilateral PMCT is the difference in area of triangles PTS and MSC:

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