First find the radius of circle A. You know that the equation is r^2*pi, so just divide both by pi.
r^2*pi=16pi
/pi /pi
r^2=16
R is 4. That means that circle B is 2, since its radius is half that of circle A.
C=pi2r
C=pi2(2)
C=pi4
C=4pi
The answer is 4pi.
This should help
https://math.tutorvista.com/geometry/surface-area-of-a-trapezoidal-prism.html?view=simple
Answer:
$309.20
Step-by-step explanation:
multiply 35.20 by 4 and subtract it from 450
Answer:
24º
Step-by-step explanation:
C = (1/2)(56 + 116)
C = 86
4x - 10 = 86
4x = 96
x = 24
