20 because 16 is greater than 15 and we round the number up.
Answer:
11.1
Step-by-step explanation:
Use the Pythagorean theorem to find the unknown side.

False
Step-by-step explanation:
yoijyngntintngngkgkgkkgnggf
Octagans have 8 sides.
Perimeter is thought of as the length a piece of string would be if it was layed around the edges of the shape.
There are 8 sides, each 12units in length.
Perimeter=8*12=96units
The slope is -4 and the y-intercept is -12.