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Im confused on premtier

Im confused on premtier
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Im confused on premtier

asked
User AmagicalFishy
by
7.7k points

1 Answer

5 votes

we have to calculate the perimeter of the semicircle which radius is 16 mm


P_(sc)=(2\pi\cdot r)/(2)=\pi\cdot r=16\pi\approx50.26\operatorname{mm}

Now we have to add the outter sides of the triangle


P=20+20+50.26=90.26\operatorname{mm}

answered
User Sergi Juanati
by
8.0k points
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