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2 years ago

These are 2-dimenstional shapes. They are made of straight lines, and the shape is “closed” (all the lines connect).

2 answers:

5 0

Hey there,

Your question states: These are 2-dimensional shapes. They are made of straight lines, and the shape is “closed” (all the lines connect).

The correct answer would be Polygon. Polygons are the shapes with a 2-dimensional shapes, and has straight lines.

~Jurgen

cluponka [151]2 years ago

3 0

Ans is Polygons; although the complete definition includes the additional requirement of "a closed figure made of straight lines that do not intersect."

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In the figure, AE = 2, CE = 3, and DE = 4. What is the length of BE?

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3 years ago

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Which of the following is the result of the equation below after completing the square and factoring?

Tems11 [23]

Answer:

D) $(x + \frac{5}{2})^{2} = \frac{9}{4}$

Step-by-step explanation:

Step(i):-

Given equation

x² + 5 x + 8 = 4

⇒ $x^{2} + 2 X \frac{5}{2} x + (\frac{5}{2} )^{2} - (\frac{5}{2} )^{2}+ 8 = 4$

Step(ii):-

By using (a + b)² = a² + 2 a b + b²

⇒ $(x + \frac{5}{2})^{2} - (\frac{5}{2} )^{2}+ 8 = 4$

⇒ $(x + \frac{5}{2})^{2} = 4 + (\frac{5}{2} )^{2} -8$

⇒ $(x + \frac{5}{2})^{2} = (\frac{25}{4} ) -4$

⇒ $(x + \frac{5}{2})^{2} = (\frac{25-16}{4} )$

⇒ $(x + \frac{5}{2})^{2} = \frac{9}{4}$

Final answer:-

$(x + \frac{5}{2})^{2} = \frac{9}{4}$

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3 years ago

Please answer this question! Easy, just not for me! Will give brainliest. :)

Mila [183]

Answer:

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Step-by-step explanation:

Using the Pythagoras Theorem:

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CR = √205 cm.

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and SU =6 + √205

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2 years ago

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Answer:

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Step-by-step explanation:

how to find it by yourself:

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