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Dmitrij [34]
3 years ago
8

In geometry, a solid may exist in a plane. O A. True OB. False

Mathematics
2 answers:
Murrr4er [49]3 years ago
7 0

Answer:

False

Step-by-step explanation:

The objects in a plane must be flat, like a triangle or a line, so a solid can't exist.

il63 [147K]3 years ago
5 0

Answer: False

Step-by-step explanation: I did this already

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Divide using a common factor of 2 to find an equivalent fraction for 2/6
Ludmilka [50]

Answer:

4/12

Step-by-step explanation:

5 0
2 years ago
Find the area of the regular polygon. Round to the nearest tenth.
mojhsa [17]

Given:

Side length = 12 in

To find:

The area of the regular polygon.

Solution:

Number of sides (n) = 6

Let us find the apothem using formula:

$a=\frac{s}{2 \tan \left(\frac{180^\circ}{n}\right)}

where s is side length and n is number of sides.

$a=\frac{12}{2 \tan \left(\frac{180^\circ}{6}\right)}

$a=\frac{6}{ \tan (30^\circ)}

$a=\frac{6}{ \frac{1}{\sqrt{3} }}

$a=6\sqrt{3}

Area of the regular polygon:

$A=\frac{1}{2}(\text { Perimeter })(\text { apothem })$

$A=\frac{1}{2}(6 \times 12)(6\sqrt{3} )

$A=\frac{1}{2}(72)(6\sqrt{3} )

A=216 \sqrt{3}

A=374.1 in²

The area of the regular polygon is 374.1 in².

4 0
3 years ago
WILL AWARD BRAINLIEST
MAVERICK [17]

Answer:

ΔABC ~ ΔDEC

Step-by-step explanation:

Given : DE║AB

              Statements                              Reasons

1). DE║AB                                              1). Given

2). ∠CDE ≅ ∠CAB                                2). Corresponding angles

                                                [Since DE║AB and AC is the transverse]

3). ∠CED ≅ ∠CBA                                3). Corresponding angles

                                                [Since DE║AB and BC is the transverse]

4). ΔABC ~ ΔDEC                                 4). By AA property of similarity    

Hence ΔABC is similar to ΔDEC.

6 0
3 years ago
Write an inequality to represent each sentence. Use n for the variable.
Zepler [3.9K]

Answer:

17>n is the correct answer

7 0
2 years ago
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Use the quadratic formula to solve the equation <br> X^2+9X+20=0
lions [1.4K]

Answer:

x=-4

x=-5

Step-by-step explanation:

6 0
3 years ago
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