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GavinWright254
02.10.2019 •
Mathematics
What is the surface area of a regular pentagonal prism with side length 8, altitue 20 and apothem approximately 5.5
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Ответ:
SA=2[area of the pentagonal sides]+5[area of rectangle sides]
Area of pentagonal side will be given by:
Area=5/2 sa
where;
side,s=8
apothem ,a=5.5
hence;
Area=5/2*8*5.5=110 sq units
Area of rectangular side will be:
Area=length*width
=20*8=160 sq units
therefore the surface area (SA) will be:
SA=110*2+5*160
=1,020 sq. units
Ответ:
variable costs, rates, marketing and budgeting are completely dependant on linear graphs it can be used to display a steady flow of something, or even and increase of a specific subject over time. if you were a market manager or banker, you'd probably deal with them.