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Mathematics 15 Online
OpenStudy (anonymous):

Find the area of a sector with a central angle of 170° and a diameter of 9.1 cm. Round to the nearest tenth. A. 122.9 cm2 B. 30.7 cm2 C. 8.6 cm2 D. 3.4 cm2

OpenStudy (anonymous):

@Nurali

OpenStudy (wolf1728):

Hello Shay

OpenStudy (anonymous):

Hi :)

OpenStudy (anonymous):

@cookiibabii93

OpenStudy (wolf1728):

diameter = 9.1 cm radius = 4.55 cm Area of entire circle = PI*r² = PI * 20.7025 = 65.0388219109 Area of 170° of the circle = 65.0388219109 * 170° / 360° 30.7127770135

OpenStudy (wolf1728):

Looks like it's B

OpenStudy (anonymous):

Thank you ! :)

OpenStudy (anonymous):

You always give me great answers

OpenStudy (wolf1728):

Thanks Shay :-)

OpenStudy (anonymous):

Great explanations also can't forget that

OpenStudy (wolf1728):

Thanks - yes I hear that quite a bit :-)

OpenStudy (anonymous):

I bet

OpenStudy (wolf1728):

gosh ::blushing::

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