radomes.openskiesproject.org
lolhai lolhai
  • 10-06-2015
  • Mathematics
Answered

the circumference of a dinner plate is 15.7 inches. what is the radius?

Verified Answer :

Anonymous Anonymous
  • 10-06-2015

\(The\ circumference\ of\ a\ circle:C=2\pi r\ \ \ \ \ \ (r-a\ radius)\\\\C=15.7\to2\pi r=15.7\ \ \ \ |divide\ both\ sides\ by\ 2\\\\\pi r=7.85\ \ \ \ |divide\ both\ sides\ by\ \pi\\\\r=\frac{7.85}{\pi}\ (in)\\\\\pi\approx3.14\to r\approx\frac{7.85}{3.14}=\boxed{2.5\ (in)}\)

Answer Link

Related Questions

Please help me on number 3
In which example is credibility used as a speaking tool A The speaker offers a factual basis for an argument B The speaker presents his or her personal qualific
How many years of English does the typical high school require for graduation
Default tab stops are set in Word every inch a b 1 c d
What is one example of boyles law
The central character who is the focus of interest in a story is the
Draw Y3x2 on a grid
The ratio of length to width in Guss driveway is 13 yards to 4 yards What is this ratio in feet
Simplify the following expression a3b2a2b
A spinner is divided into 16 sections3 sections are red 6 are blue 5 are purple and 2 are orange If you spin the spinner what is the probability that you will l