4 5/12 you just add the fractions
By two opposite rays.
The explanation is t<span>he straight </span>angle<span> is the only type of </span>angle formed by two opposite rays<span>. All other </span>angles formed by two rays<span> are less than </span>180<span> degrees. Acute </span>angles<span> are between zero and 90 degrees. A right </span>angle<span>, with one </span>ray<span> perpendicular to another, is 90 degrees.
Hope it helped! :)</span>
Dear Student,
Answer to your query is provided below:
The length of segment AB = 8
Explanation to answer is provided by attaching image.
Let
L----------> <span>the length of the yard
W--------> </span><span>the width l of the yard
we know that
the perimeter is equal to
</span>
![P=2*[W+L]](https://tex.z-dn.net/?f=P%3D2%2A%5BW%2BL%5D)
![72=2*[W+L] \\ 36=W+L](https://tex.z-dn.net/?f=72%3D2%2A%5BW%2BL%5D%20%5C%5C%2036%3DW%2BL)
--------> equation 1

------> equation 2
<span>substitute equation 2 in equation 1
</span>



<span>
we know that
Area of the rectangular yard is equal to
</span>

<span>
</span>
Answer:
x = 3
Step-by-step explanation:
x^2 - 9 = (x+3)(x-3)
[(x + 3)*(x -3] /x+3) = x-3
x - 3 = 0
x = 3