Answer:
Step-by-step explanation:
Let 
be the shaded area and 
be the unshaded area, then we know that
(1). 
and
(2). 
We solve for in the first equation and get:
and put this into the second equation and get:
You can cut it in 4 pieces
Answer:
19.5
Step-by-step explanation:
Here is a key factors in triangles, it must add up to 180 degrees.
You have three angles in a triangle ABC,
A = 127
B = 33.5
C = ?
In this case you would add the two together (160.5) and subtract from 180 giving you the angle C = 19.5
CHECK:
Add 127+33.5+19.5 = 180! Yes!
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Answer:
8.21
Step-by-step explanation:
formula is:
V= 3
you plug everything in but when you go to plug in your diameter you need to use the radius. the radius is always half of the diameter.
The area of a full circle would be Area = PI x r^2
The diameter would be the width of the dorr, so the radius would be half that. 34/2 = 17 inches.
Area for a full circle would be 3.14 x 17^2 = 907.46 square inches.
A semi circle is a half circle.
The area would be 907.46 / 2 = 453.73 square inches.
Multiply the area by the cost:
453.73 x 0.95 = 431.04
The answer is C.
