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3 years ago

Plz help me I have know clue

Mathematics

1 answer:

masya89 [10]3 years ago

8 0

The figure is called an Acute Triangle. The Area is 199.96 centimeters squared. The perimeter (or circumference) is 68.

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an official playing field (including end zone) for the indoor football league has a length 39 yd longer than its width. the peri

ch4aika [34]

Answer:

Step-by-step explanation:

39+39 = 78

162 - 78 = 2 lengths =84

84/2 = 42

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3 years ago

What number of dots has “1 from 3” code 1021?

vekshin1

Answer:

4 is the answer is it right

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3 years ago

The area of the regular octagon is approximately 54 cm2. A regular octagon has an apothem with length 4 centimeters and an area

ExtremeBDS [4]

Answer:

The length of line segment AB = 3.4 cm.

Step-by-step explanation:

Given:

The area of the regular octagon is approximately = 54 cm²

A regular octagon has an apothem with length = 4 cm

AB = side of the octagon

To Find:

AB = side of the octagon = ?

Solution:

A regular octagon has an Eight equal Side

We Know that,

$\textrm{area of regular octagon}=\textrm{Perimeter}\times \frac{Apothem}{2}$

substituting the given values in equation we get

$54 = Perimter\times \frac{4}{2}\\ \\\therefore Perimeter=\frac{54}{2}\\ \\\therefore Perimeter = 27\ cm\\$

Now,

Perimeter = 8 × Side

∴ Perimeter = 8 × AB

∴ 27 = 8 × AB

∴ $AB =\frac{27}{8}\\ \\\therefore AB =3.375\ cm\\\\$

After rounded to nearest 10th we get

AB =3.4 cm

The length of line segment AB = 3.4 cm.

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4 years ago

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Find the value of x in the triangle shown below

matrenka [14]

Answer:

Step-by-step explanation:

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3 years ago

(9r - 5 ) - ( -4r + 9 ) Can you subtract the expression

Elis [28]

Answer:

13R - (-14)

Step-by-step explanation:

I believe this is the right answer i really hope it is im sorry if its wrong

Have a good day!

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3 years ago

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