Base number, like in the equation 4², 4 is the base number
The Opposite of 3.82 is -3.82. It's like you saying what is the inverse of 3.82.
Perimeter: 9+9+8+8= 34 ft.
Area: 9*8= 72 ft²
I believe it is 17.0, I hope this helps some
Centralangle/360 times area of circle=sector area
120/360 times pi8²=
(1/3)(64pi)=64pi/3 square inches
