Answer:
Concave octagon
Step-by-step explanation:
Concave octagon:
- This polygon has 8 sides. So it is a octagon.
- If one interior angle measures more than 180, then it is concave polygon.
So, this is a concave octagon
Any equation that has a slope of 1/2. The equation has to be equivalent to y=1/2x-3 so, you can use the equation y=1/2x+4 (for example)
if you need to simply 12/ c^-8 d^2=
=12 c^8/d^2
is the third choice
Answer:

Step-by-step explanation:
First let's find the radius of the quarter circle.

Now let's find the arc length of this quarter circle.

Now let's find the perimeter
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