Answer:
c) 72
Step-by-step explanation:
multiply 18 by 4
Answer:
C = 14 pi inches
Step-by-step explanation:
The area of a circle is given by
A = pi r^2
49 pi = pi r^2
Divide each side by pi
49 pi/pi = pi /pi r^2
49 = r^2
Take the square root of each side
7 = r
The circumference is given by
C = 2 * pi *r
C = 2 * pi *7
C = 14 pi inches
Answer:
No, No, Yes, Yes
Step-by-step explanation:
The slope of the line is -1/7, so the perpendicular line has a slope of 7
