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OpenStudy (anonymous):
Find the area of the shaded sector. Use pi = 3.14 (Let Me Attach The File) @phi
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OpenStudy (phi):
3.14* r*r * A/360 we need r and the central angle A
OpenStudy (anonymous):
This is the picture.
OpenStudy (anonymous):
@phi
OpenStudy (phi):
that one looks straight forward. A is 45º and r = 7
OpenStudy (anonymous):
ok @phi I got 19.2325
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OpenStudy (phi):
rounded to 2 places, what do you get?
OpenStudy (anonymous):
just 19.23 right
OpenStudy (phi):
yes. keep your fingers crossed
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
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