Answer:
<1=39 degrees
<2=141 degrees
Step-by-step explanation:
Detailed ans is in attachment
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#7:
It means to solve for y.
#8:
We can write:
l = w + 2
Because it says the length is 2 more than the width.
length = 8 yd and width = 2 yd
So, Option D is correct.
Step-by-step explanation:
Area of rectangular playground = 16 square yards
Width of playground = w
Length of playground = l = 4w
We need to find length(l) and width(w)
The formula used is:

Putting values:

Since width of rectangle is always positive, so we will take w = 2
So. Width = 2
Length = 4w = 4(2) = 8
Hence, length = 8 yd and width = 2 yd
So, Option D is correct.
Keywords: Area of rectangle
Learn more about Area of rectangle at:
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Answer:
63.62
Step-by-step explanation:
Answer:
4
+2
Step-by-step explanation:

=
×
=
=6
+ 6 -
- 
=6
+ 6 - 4 - 
=6
+ 2 - 
=6
+ 2 - 2
=4
+2
for
= 2
,
= 
= (
)^2 ×
=2 ×