bbgirl2505
12.03.2021 •
Mathematics
In the diagram above, M and N are the centre of two circles with radius rcm
(i) Show that PMQ = 120°.
(in) Find, in terms of r and π area of the shaded region.
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Ответ:
The given diameter is 5 and radius is half of diameter, so the radius is 2.5.
Plus that into the formula.
2*pi*2.5 equals approx. 15.7