MEDAL AND FAN

A piece of circular bread has a diameter of 11 in.

What is the approximate area of this piece of bread?
Use 3.14 to approximate pi and round your answer to the nearest hundredth.

Question

MEDAL AND FAN

A piece of circular bread has a diameter of 11 in.
 
What is the approximate area of this piece of bread?
Use 3.14 to approximate pi and round your answer to the nearest hundredth.

winsteria · Answer

@StudyGurl14

studygurl14 · Answer

Remember area of circle is $r^2\pi$
r=radius
diamter is twice the radius

winsteria · Answer

so what do I do to get the answer? @StudyGurl14

studygurl14 · Answer

The diameter in this question 11. So what's the radius?

winsteria · Answer

5.5? @StudyGurl14

studygurl14 · Answer

Correct. Now plug that into the formula given up there ^ and solve

studygurl14 · Answer

remember to use 3.14 for pi

winsteria · Answer

what's the steps to solve it? @StudyGurl14

studygurl14 · Answer

Plug in and solve. 
$\Large r^2\pi$

r = 5.5
pi = 3.14

Thus,
$\Large (5.5)^2(3.14)$

You can do the rest.

winsteria · Answer

94.985? @StudyGurl14

studygurl14 · Answer

yep.

studygurl14 · Answer

round to the nearest hundredth though.

winsteria · Answer

90? @StudyGurl14

studygurl14 · Answer

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