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kipiarov [429]
3 years ago
8

What is the approximate perimeter of the figure? A. 18.8 cm B. 10.71 cm C. 7.7 cm D. 4.71 cm

Mathematics
2 answers:
larisa [96]3 years ago
5 0
For perimeter you can find it 2 ways:

l=length, w=width
(2)l+(2)w=perimeter

or just:

l+l+w+w= perimeter

Hope this helps!!!
olya-2409 [2.1K]3 years ago
4 0
All you have to do to find it use the formula 

o find the perimeter of a polygon, take the sum of the length of each side. The formula for perimeter of a rectangle is<span> To find the perimeter of a regular polygon, multiply the number of side</span>s by the length of one side.
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2. Find the value of x and y rounded to the nearest tenth.
SVETLANKA909090 [29]

Using relations in a right triangle, it is found that the values of x and y are given by: x = 24, y = 46.4, given by option a.

<h3>What are the relations in a right triangle?</h3>

The relations in a right triangle are given as follows:

  • The sine of an angle is given by the length of the opposite side to the angle divided by the length of the hypotenuse.
  • The cosine of an angle is given by the length of the adjacent side to the angle divided by the length of the hypotenuse.
  • The tangent of an angle is given by the length of the opposite side to the angle divided by the length of the adjacent side to the angle.

First, we start with the vertical line h that divides y, that is <u>opposite to an angle of 30º, with hypotenuse 34</u>, hence:

sin(30º) = h/34

0.5 = h/34

h = 17.

Then, h is opposite to an angle of 45º, while the hypotenuse is x, hence:

\sin{45^\circ} = \frac{17}{x}

x = \frac{17}{\sin{45^\circ}}

x = 24.

y is divided into two segments.

  • The first is the adjacent to the angle of 30º, while the hypotenuse is 34.
  • The second is adjacent to the angle of 45º, while the hypotenuse is 24.

Then:

\cos{30^\circ} = \frac{y_1}{34}

y_1 = 34\cos{30^\circ} = 29.4

\cos{45^\circ} = \frac{y_2}{24}

y_2 = 24\cos{45^\circ} = 17

Then, the value of y is given by:

y = y_1 + y_2 = 29.4 + 17 = 46.4.

More can be learned about relations in a right triangle at brainly.com/question/26396675

#SPJ1

4 0
1 year ago
The points (0, 5) and (4, 13) lie on the graph of a linear function. What is the rate of change of the function?
Viefleur [7K]
The rate of change is the slope of this line
m = (y2 - y1)/(x2 - x1) = (13 - 5)/(4 - 0) = 8/4 = 2
6 0
3 years ago
A Air Freshener Used 3 3/4 milliliters perfume wanted to make 3 air freshners how many milliliters of perfume woud she use
larisa [96]
1 and a fourth because 3 3/4 devided by three equals 1 1/4
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3 years ago
Martey drew a model of the shool library
vova2212 [387]

Answer:

Q?

Step-by-step explanation:

3 0
2 years ago
PLS HELP! GIVING BRAINLIEST FOR CORRECT ANSWER! THANKS!<br> look at provided image.
denis-greek [22]

Answer:

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Step-by-step explanation:

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2 years ago
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