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DerKrebs [107]
3 years ago
12

Need help ASAP !!!

id="TexFormula1" title=" \sqrt{88 \times 11 \times 2 \times 4} " alt=" \sqrt{88 \times 11 \times 2 \times 4} " align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
Stels [109]3 years ago
4 0

Answer:

±88.

Step-by-step explanation:

= \sqrt{88 \times 88}

=  \sqrt{ {88}^{2} }

±88

Elina [12.6K]3 years ago
3 0

Answer:

√(88×11×2×4}=√88²=±88 is your answer

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A regular octagon is inscribed in a circle with a radius of 10 cm. What is the length of one side of the octagon?
Semenov [28]

Answer:

The length of one side of the octagon is 7.65 cm

Step-by-step explanation:

The parameters given are;

A regular octagon inscribed in a circle of radius, r, of 10 cm.

The length of each side is found from the isosceles triangle formed by the radius and one side of the octagon

The sum of interior angles in a polygon, ∑θ_i = 180 × (n - 2)

Where;

n = The number of sides of the polygon

θ_i = The interior angle of the polygon

For the octagon, we have;

n = 8, therefore;

∑θ_i = 180 × (8 - 2) = 1080

Given that there are eight equal angles in a regular octagon, we have;

∑θ_i = 8 × θ_i = 1080

θ_i = 1080/8 = 135°

The sum of angles at the center of the circle = 360

Therefore, the angle at the center (tip angle) of the isosceles triangle formed by the radius and one side of the octagon = 360/8 = 45°

The base angles of the isosceles triangle is therefore, (180 - 45)/2 = 67.5° = θ_i/2

The length of the base of the isosceles triangle formed by the radius and one side of the octagon = The length of one side of the octagon

From trigonometric ratios, the length of the base of the isosceles triangle is therefore;

2 × r × cos(θ_i/2) = 2×10 × cos(67.5°) = 7.65 cm

The length of the base of the isosceles triangle = 7.65 cm = The length of one side of the octagon.

7 0
3 years ago
Read 2 more answers
PLEASE HELP I DONT KNOW
Reptile [31]

Answer:

290ft

Step-by-step explanation:

First, add 40 and 50 together to get the side across giving you 90.

Next, take 60 and subtract 25 for the oposite side giving you 25.

Finally, add all sides together to get 290.

6 0
3 years ago
Students are making ornaments and each takes 1 2 of a piece of Bristol board. They go to the cupboard and find 1 1 2 pieces of B
s2008m [1.1K]

Answer: 3

Step-by-step explanation:

Feom the question, we are informed that students are making ornaments and each takes 1/2 of a piece of Bristol board and that they go to the cupboard and find 1 1/2 pieces of Bristol board.

The number of ornaments that they can make will be calculated by dividing 1 1/2 by 1/2. This will be:

= 1 1/2 ÷ 1/2

= 3/2 ÷ 1/2

= 3/2 × 2/1

= 3

They can make 3 ornaments

8 0
2 years ago
Points J and K lie in plane H. Plane H contains two points. Point J is to the lower left and point K is to the uppercase right.
xxMikexx [17]

Answer:

1

Step-by-step explanation:

There's a theorem that says "through 2 points it only cross one and only one line". Having this as our start point, we can guarantee that there's only one line that can be drawn through those points

4 0
3 years ago
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Answer please no links or files
Naddik [55]

Answer:

120

Step-by-step explanation:

4 0
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