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fgiga [73]
3 years ago
14

The area of a circle is 28.26 square yards. what is the circle's circumference? a=28.26 yd2

Mathematics
2 answers:
Sonbull [250]3 years ago
8 0

Answer:


Step-by-step explanation:

its 18.84


Levart [38]3 years ago
5 0

area \:  = \pi {r}^{2} \\  circumference  = 2\pi \: r
where r = radius
\pi {r}^{2}  = 28.26 \:  {yd}^{2}  \\  {r}^{2}  = 28.26 \div \pi \\  {r}^{2}  = 8.99 = 9 \\  \sqrt{ {r}^{2} }  = r  =  \sqrt{9}  = 3
circumference = C
c = 2\pi \: r = 2(3) \times \pi \\  = 18.85 \: yd = 18.9 \: yd


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