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Mumz [18]
2 years ago
11

Find the perimeter of the polygon. Round your answer to the nearest tenth.

Mathematics
1 answer:
dimulka [17.4K]2 years ago
8 0

The perimeter of the polygon is 26.1 units.

To find the perimeter of the polygon.

<h3>What is polygon?</h3>

A polygon is a two-dimensional geometric figure that has a finite number of sides. The sides of a polygon are made of straight line segments connected to each other end to end. Thus, the line segments of a polygon are called sides or edges.

Given that:

Distance between points (x_{1} ,y_{1} ) , (x_{2} ,y_{2} )  is given by

\sqrt{(x_{2} -x_{1} )^{2}+(y_{2} -y_{1} )^{2}  }

As per the graph,

point Q is (2,0)

point R is (4,5)

point S is (8,7)

point T is (6,4)

point U is (10,3)

QR=\sqrt{(4 -2 )^{2}+(5 -0 )^{2}  }=\sqrt{4+25} =\sqrt{29}=5.38 units

RS=\sqrt{(8 -4 )^{2}+(7 -5 )^{2}  }=\sqrt{16+4} =\sqrt{20}=4.47 units

ST=\sqrt{(6 -8 )^{2}+(4 -7)^{2}  }=\sqrt{4+9} =\sqrt{13}=3.60 units

TU=\sqrt{(10 -6 )^{2}+(3 -4 )^{2}  }=\sqrt{16+1} =\sqrt{17}=4.12 units

QU=\sqrt{(10 -2 )^{2}+(3 -0 )^{2}  }=\sqrt{64+9} =\sqrt{73}=8.54 units

Perimeter refers to sum of lengths of all the sides.

Perimeter =5.38+4.47+3.60+4.12+8.54=26.1 units

So. the perimeter of the polygon is 26.1 units.

Learn more about polygon here:

brainly.com/question/28193374

#SPJ1

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4 loads of stone weigh 2/3 ton. Find the weight of 1 load of stone.
Vladimir79 [104]

To find the weight of 1 load of stone, divide 2/3 by 4.

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Keep the first fraction the same, change the division sign into a multiplication sign, and flip the second fraction.

I attached the work and answer for this problem. If you have any questions please feel free to ask.

Hope this helps.

7 0
3 years ago
Can someone please explain how you do this. I would really appreciate it.
Radda [10]

Check the picture below.

now, let's recall that running a segment from a midpoint across to a midpoint in a triangle, creates a midsegment, and a midsegment which is parallel to the "base" of the triangle, is always half of that base.

now, noticing the picture on the top-left triangle, we know those points are midpoints, so those in red are midsegments and therefore half the base, to make it short

IC = HE/2 = 7

JB = IC/2 = 3.5

now onto the top-right triangle, which is the same thing just basing itself on its other end

CG = AH/2 = 10

DF = CG/2 = 5

now, let's go to the  picture on the bottom-center

we  know that DG = 4, and since D and G are midpoints, DG is the midsegment of CEH thus

CH = 2DG = 8

likewise, on the green triangle ACH, the midsegment IB is half of the base CH, we know CH = 8, so IB = 4.

6 0
3 years ago
Pleaseeee i will mark brainlesttttt<br> solve this system of equations <br> 12x−15y=14 8x−15y=6
Sphinxa [80]

Answer:

x = 2 and  y = \frac{2}{3}

Step-by-step explanation:

To solve this system of equation, we will follow the steps below;

We will use both elimination and substitution method to solve this system of equations

12x−15y=14 ------------------------------------------------------------------------(1)

8x−15y=6 --------------------------------------------------------------------------(2)

subtract equation (2) from equation (1)

(By doing that the y  variable will be eliminated)

4x = 8

Divide both-side of the equation by 4

4x/4 = 8/4

x = 2

Substitute x =2 into equation (2) and then solve for y

8x−15y=6

8(2)−15y=6

16 - 15y = 6

subtract 16 from both-side of the equation

16 - 16- 15y = 6-16

-15y = -10

Divide both-side of the equation by -15

-15y/-15  = -10/-15

y = \frac{2}{3}

x = 2 and  y = \frac{2}{3}

3 0
3 years ago
A kennel in Akron charges $9 a night for dogs and $6 a night for cats. Write an expression that can be used to find the total of
77julia77 [94]

Answer:

90

Step-by-step explanation:   9 + 6 = 15

So, then you would multiply 15 x 6 which equals 90

6 0
4 years ago
Read 2 more answers
The mean monthly rent of students at Oxnard University is $780 with a standard deviation of $208.
Nonamiya [84]

Answer:

a) 2.188

b) John's rent is not an outlier

c) His rent has to be higher than $1,235 to be an outlier

Step-by-step explanation:

The mean monthly rent of students at Oxnard University is $780 with a standard deviation of $208.

(a) John’s rent is $1,235. What is his standardized z-score?

We solve using z score formula

z = (x-μ)/σ, where

x is the raw score = $1235

μ is the population mean = $780

σ is the population standard deviation = $208

Hence,

z = 1235 - 780/208

z = 2.1875

Approximately to 3 decimal place = 2.188

(b) Is John’s rent an outlier?

No it isn't

(c) How high would the rent have to be to qualify as an outlier?

John’s rent would have to be higher than $1235

8 0
3 years ago
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