You find the circumference and multiply it by the central angle. If the central angle is in degrees, you divide that by 360. If the central angle is in radians, you divide by 2pi.
6)
P of <span>Regular heptagon = 7a = 7 x 12 = 84
Area </span>of Regular heptagon = 1/2 P a
Area of Regular heptagon = 1/2 (84)(8)
Area of Regular heptagon = = 336
answer
B. 336
7)
P of Regular nonagon= 9a = 9 x 9 = 81
Area of Regular heptagon = 1/2 P a
Area of Regular heptagon = 1/2 (81)(16)
Area of Regular heptagon = = 648
answer
D. 648
Answer:
F: independent: speed; dependent: fine
your fine depends on the speed over the speed limit.
G: independent: pots; dependent: flowers
you already bought the pots. the amount of flowers you buy depends on how many pots you have.
H: independent: time; dependent: length
the time spent knitting is up to the grandmother. the length depends on the time spent knitting.
I: independent: cars washed; dependent: money made
the money you make depends on the amount of cars you wash
The answer is 16.5 i really hope this helps you out.
Answer: Proportional I think, I'm not sure its non-proportional
Explanation: They're Proportional because if you were using a numberline, each one can be multiplied.