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2 years ago

5

Consider the terms pyramid, line, square, and triangle. Which term is not defined in Euclidean geometry.

2 answers:

Sphinxa [80]2 years ago

7 0

Answer: Consider the terms pyramid, line, square, and triangle. The term line is not defined in Euclidean geometry.

olchik [2.2K]2 years ago

4 0

The <u>correct answer</u> is:

line.

Explanation:

In Euclidean geometry, there are 3 terms that are considered "undefined": point, line and plane.

They are considered undefined because they are described, but not every formally defined.

The other terms in this question, pyramid, square and triangle, are all formally defined.

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What is the value of x and the length of segment DE?

Mandarinka [93]

Answer:

Part 1) $x=6.6\ units$

Part 2) $DE=16.2\ units$

Step-by-step explanation:

Part 1) Find the value of x

we know that

Triangles CDF and FDE are similar

therefore

The ratio of its corresponding sides is proportional and its corresponding angles are congruent

so

$CD/FD=FD/DE$

$\frac{5}{9}=\frac{9}{2x+3} \\ \\5*(2x+3)=9*9\\ \\10x+15=81\\ \\10x= 81-15\\ \\10x=66\\ \\ x=6.6\ units$

Part 2) Find the length of DE

$DE=2x+3$

substitute the value of x

$DE=2(6.6)+3=16.2\ units$

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Select a setting so that each given point will lie within the viewing window.

NemiM [27]

Answer:

The given points are

$(-13,3)\\(0,0)\\(-2,-7)$

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