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o-na [289]
3 years ago
8

Can someone help me with this

Mathematics
1 answer:
katrin [286]3 years ago
8 0

Half  the length of the curve which separates the 2 halves = 1/2 circumference of a circle with diameter 6 mm.  = 1/2 * pi * d = 3pi mm

So the length of the line = 6pi =  18.85 mm to nearest hundredth. answer

The area of shaded region = 1/2 area of the circle = 1/2 pi r^2

= 1/2 * pi * 6^2

=  56.55 mm^2  to nearest hundredth  answer


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