Perimiter
we have a half circle and 3 sides of a rectangle
half circle
circumfernce=2pir
half of that is 1/2 2pir or pir
so
diameter=8
radius is 1/2 of that or 4
so
that arc is 4pi
the 3 sides are 8+9+9 or 26
if we use pi=3.141592
4pi+26=38.566368
rounded we get
38.57
the closest one is C
answer is C
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Step-by-step explanation:
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The square root of 36 is 6
Answer:
<h2>m

F = 34°</h2>
Step-by-step explanation:
If E and F are complementary I means that the sum of their angles add up to 90° since all complementary angles have the sum of their angles equal to 90°
To find m
F add m
E and m
F and equate it to 90 to find x then substitute it into the expression for m
F
Thats
m
E + m
F = 90
9x - 38 + 2x + 40 = 90
11x + 2 = 90
11x = 90 - 2
11x = 88
Divide both sides by 11
x = 8
Now we have
if m
F = 9x - 38
m
F = 9( 8) - 38
m
F = 72 - 38
We have the final answer as
<h3>m

F = 34°</h3>
Hope this helps you