4 years ago

Geometry homework help please?

Mathematics

1 answer:

Tema [17]4 years ago

4 0

Add them all up then round the answer to yget

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

Levart [38]

$area \: = \pi {r}^{2} \\ circumference = 2\pi \: r$
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
$c = 2\pi \: r = 2(3) \times \pi \\ = 18.85 \: yd = 18.9 \: yd$

5 0

3 years ago

Read 2 more answers

Reposting becuase it want let me edit my last one and somebody spam answered it.

harkovskaia [24]

Answer:

5Step-by-step explanation:

If you use the distance formula you can solve it pretty easily. The distance formula is:

d = $\sqrt{(x2 - x1)^2 + (y2 - y1)^2} \\$