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Mathematics 19 Online
OpenStudy (anonymous):

i need geometry help! will fan and medal

OpenStudy (anonymous):

i would just like anybody to know that i was banned for 24 hours when i didnt want the answers i wanted to know how to find it :/

OpenStudy (anonymous):

can you see that picutre?

OpenStudy (anonymous):

A hardware store sells small boxes in which customers can store nails. The diagram below shows one of the boxes. The diagram is not drawn to scale.

OpenStudy (anonymous):

no

OpenStudy (anonymous):

ok lemme screen shot it one sec

OpenStudy (anonymous):

as in "no i cannot see the picture"

OpenStudy (anonymous):

OpenStudy (anonymous):

further apologies for my terrible math skills

OpenStudy (anonymous):

a. 112 cm^2 ; 448 cm^2 b. 112 cm^2 ;336 cm^2 c. 56 cm^2 ; 448 cm^2 d. 56 cm^2 ; 336 cm^2

OpenStudy (anonymous):

what is the question?

OpenStudy (anonymous):

oh im sorry

OpenStudy (anonymous):

What are the lateral area and the surface area of the box to the nearest whole number? Use the large 14 cm × 8 cm rectangles on the top and bottom as the bases.

OpenStudy (aripotta):

do you know the formulas?

OpenStudy (anonymous):

for lateral and surface? yea im pretty sure

OpenStudy (aripotta):

tell me the formulas

OpenStudy (anonymous):

l=pi x r x slant height s= l + b

OpenStudy (anonymous):

b= pi x r squared

OpenStudy (aripotta):

but this is a rectangular prism

OpenStudy (anonymous):

oh im stupid

OpenStudy (anonymous):

hold up lemme find my notes sorry

OpenStudy (aripotta):

it's ok. you were probably using the wrong formulas the whole time

OpenStudy (anonymous):

l = (2l + 2w) h b = l x w s = l + 2b

OpenStudy (anonymous):

i didn't label these formulas so idk which is which

OpenStudy (aripotta):

so if the lateral area is h(2l + 2w), what's the lateral area?

OpenStudy (aripotta):

2.54 is the height

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