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yKpoI14uk [10]
3 years ago
8

Help pls ! need it asap

Mathematics
2 answers:
katovenus [111]3 years ago
8 0

Answer:

It’s 51

Step-by-step explanation:

Because all the angles inside adds up to 360 which means if you add up all the other angles and then subtract them from 360, you would get the last angle which is 51. Have a great day! Or night... or afternoon... :<

Vlad1618 [11]3 years ago
4 0

Answer:

the answer is 51

Step-by-step explanation:

360-87-104-118

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The area would be .4 cubic feet. The perimeter would be 2.1
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Y=3x+4<br> x+4y=-10<br> solve for substitution
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The points have been plotted on the coordinate graph.

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EL PERIMETRO DELCUADRADO X ES DOS TERCIOS DEL PERIMETRO DEL CUADRADO Y. EL UCADRADO Y ES DOS TERCIOS DEL PERIMETRO DEL CUADRADO
Keith_Richards [23]

<u>the question in English is</u>

THE SQUARE PERIMETER X IS TWO THIRDS OF THE SQUARE PERIMETER Y. THE PERIMETER OF THE SQUARE Y IS TWO THIRDS OF THE PERIMETER OF THE SQUARE Z. THE AREA OF THE SQUARE X IS 16 CM2 WHAT IS THE AREA OF THE SQUARE Z?

Let

Px--------> the perimeter of square x

Py--------> the perimeter of square y

Pz--------> the perimeter of square z

Ax--------> the area of square x

Az--------> the area of square z

Step 1

<u>Find the length side of the square x</u>

we know that

Px=\frac{2}{3} Py -------> equation A

Py=\frac{2}{3} Pz -------> equation B

Ax=16\ cm^{2}

Ax=x^{2}

so

x^{2}=16

x=4\ cm

Step 2

<u>Find the perimeter of square x</u>

Px=4x

substitute the value of x in the formula

Px=4*4=16\ cm

Step 3

<u>Find the perimeter of square y</u>

use the equation A

Px=\frac{2}{3} Py

solve for Py

Py=\frac{3}{2} Px

substitute the value of Px

Py=\frac{3}{2}16=24\ cm

Step 4

Find the perimeter of square z

use the equation B

Py=\frac{2}{3} Pz

solve for Pz

Pz=\frac{3}{2} Py

substitute the value of Py

Pz=\frac{3}{2} 24=36\ cm

Step 5

<u>Find the area of square z </u>

we know that

the area of the square z is equal to

Az=z^{2}

<u>Find the length side of square z</u>

Pz=4z

Pz=36\ cm

so

4z=36

z=9\ cm

substitute the value of z in the area's formula

Az=9^{2}=81\ cm^{2}

therefore

<u>the answer is</u>

the area of the square z is 81\ cm^{2}


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Step-by-step explanation:

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x=-2

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