Web Analytics

Verified Answer :

miadudg

\(2 \pi r = circumference\)
so,
\(\frac{circumference}{2 \pi } = radius\)

it equals 12.49 or 12.5 depending on rounding


I hope this helps!

JeanaShupp

Answer: 25 inches.

Step-by-step explanation:

The circumference of a circle is given by :-

\(C=\pi d\), where d is the diameter.

Given : A dartboard has a circumference of 78.5 in.

Then, we have

\(\pi d=78.5\)

We put \(\pi=3.14\) in the above equation, we get

\((3.14) d=78.5\\\\\Rightarrow\ d=\dfrac{78.5}{3.14}\\\\\Rightarrow d=25\)

Hence, the diameter of the dart board = 25 inches.

Related Questions