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Mathematics 18 Online
OpenStudy (jojo12g):

What is the approximate perimeter of the figure? A. 18.8 cm B. 10.71 cm C. 7.7 cm D. 4.71 cm https://static.k12.com/calms_media/media/1419000_1419500/1419363/1/cd4644381e9b33557ea6bb729d530654c755025f/MS_PA_130922_171134.jpg

OpenStudy (aveline):

The circumference of a circle is 2πr The picture given is that of a quarter of a circle. Find the circumference then divide by four.

OpenStudy (jojo12g):

so B @Aveline

OpenStudy (aveline):

@jojo12g Nope... what's 2πr? The radius is 3

OpenStudy (jojo12g):

so D @Aveline

OpenStudy (aveline):

Yes!

OpenStudy (jojo12g):

thanks

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