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Mathematics 11 Online
OpenStudy (anonymous):

please visit these links- http://i1274.photobucket.com/albums/y434/hmp311/DE73B7C7-973F-48ED-9CEF-AE04DAA31ED0-295-0000015C985EF4E0_zpsbc844550.jpg http://i1274.photobucket.com/albums/y434/hmp311/9EF686D7-B7F2-4926-9E67-8B68E7BADE09-295-0000015C8DEEF90B_zps8e5c6e49.jpg

OpenStudy (anonymous):

@AriPotta

OpenStudy (anonymous):

@jayz657

OpenStudy (anonymous):

@omnomnom

OpenStudy (aripotta):

P is perimeter of base, and B is area of base?

OpenStudy (anonymous):

yes

OpenStudy (aripotta):

so what's the first figure?

OpenStudy (anonymous):

ummm on which link?

OpenStudy (omnomnom):

Hm.. I am doing geometry right now.. do you mind waiting?

OpenStudy (anonymous):

ill wait:) and hi:)

OpenStudy (aripotta):

the figure with the 1 next to it

OpenStudy (aripotta):

this second link i think. it has a 1 next to it, so i thought you'd want to go in order lol

OpenStudy (anonymous):

umm, i think, is there such as thing as a square prism? or is it rectangular?

OpenStudy (aripotta):

a "square prism" would be a cube lol. but yes, it is a rectangular prism

OpenStudy (anonymous):

oh ok sorry

OpenStudy (anonymous):

now what?

OpenStudy (aripotta):

well, what's the perimeter of the base?

OpenStudy (anonymous):

17 + 11 + 17 +11?

OpenStudy (aripotta):

yes

OpenStudy (anonymous):

mk, let me calculate

OpenStudy (anonymous):

56

OpenStudy (aripotta):

yep. now, what's the area of the base?

OpenStudy (anonymous):

umm, 17 times 11?

OpenStudy (anonymous):

no i mean 17 times 12!

OpenStudy (aripotta):

yes

OpenStudy (aripotta):

17 times 11

OpenStudy (anonymous):

nvm nvm 11 times 12

OpenStudy (anonymous):

oh srry

OpenStudy (aripotta):

lol. you were right the first time

OpenStudy (anonymous):

yes, sorry, im pretty dumb brb calculating...

OpenStudy (anonymous):

187

OpenStudy (anonymous):

umm, what if ni do them and u check them? ill brb,yes?

OpenStudy (anonymous):

ill give thm a shot

OpenStudy (aripotta):

ok

OpenStudy (anonymous):

ok, brb.

OpenStudy (anonymous):

but dont leave

OpenStudy (omnomnom):

O.O

OpenStudy (omnomnom):

Just finished my geometry.. But sorry Rachel i cant help with this one.. i have alot more hw today then i did the other days :( Sorry

OpenStudy (anonymous):

he is painting 4 building 1 building will have a rectangular area =(50x25) sq yd but there are 4 rectangular area A1=4(50x25) sq yd= ? is it = 5000 sq yd? yes ? and the top portion of area A2=25x20=? ...sq yd is it= 500 sq yd. yes? if yes add the two areas together A1+A2=---- ?...sq yd

OpenStudy (anonymous):

now for 4 building mult the area (A1+A2) by 4

OpenStudy (anonymous):

@ helpmeplz311 bonus prob P=perimeter, P1=perimeter of P!, P2= perimeter of P2 P1=5+5+5+5=20 P2=10+10+4+4=28 B=bases, B!=area of base 1, B2=area of base 2 B1=5x5=25 B2=4x10=40 lateral surface area S= s(P!+P2)/2 lateral SA=6(20)(28)/2 =144 sq km ? is it? total SA=lateral SA + B1 +B2 = 144 +25 + 40 ? sq km is it? yes or no?

OpenStudy (anonymous):

bonus was frustum of a pyramid

OpenStudy (anonymous):

fig 1) rectangular prism perimeter P=2L+2W, L=length,W=width P=2*17 +2*11= 56 ? yes or no base area B=LW =17*11=187 ?yes or no lateral SA=P h=56*12=672 ?yes or no ,, h=height total SA =lateral SA +2B=672+2(187)=1046? yes or no?

OpenStudy (anonymous):

fig 4) is the same as fig1) cube ,, except L=W=H perimeter P=2L+2W, L=length,W=width, note L=W=3.5 P=2(L+W) P=2(3.5+3.5)=14 ? base area B=LW =3.5x3.5=12.25? lateral SA=P h=14x3.5=49? total SA=2LW + 2(L+W)h=2(3.5)(3.5) + 2(3.5+3.5)3.5=73.5?

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