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Mathematics 8 Online
OpenStudy (anonymous):

@driftracer305

OpenStudy (anonymous):

okay so im given a figure and I need you to check one and help me with one:) If thats okay?:)

OpenStudy (driftracer305):

sure......

OpenStudy (anonymous):

A triangular prism has a height of 9 meters and a triangular base with the following dimensions. What is the value of B? 96 m2 48 m2 54 m2 30 m2

OpenStudy (anonymous):

OpenStudy (anonymous):

Forr this one I got 48?

OpenStudy (driftracer305):

correct....

OpenStudy (anonymous):

Okay now the next question is the same figure but they want the perimeter

OpenStudy (driftracer305):

of wat........... the base?

OpenStudy (anonymous):

A triangular prism has a height of 9 meters and a triangular base with the following dimensions. What is the value of P? 36 m 42 m 51 m 18 m

OpenStudy (driftracer305):

that shuld be Pre-k for u.............any guesses?

OpenStudy (anonymous):

36... dont yell at me if its wrong!

OpenStudy (driftracer305):

lol........ no way........ u r absolutely correct....

OpenStudy (anonymous):

okay just a few more with the same figure

OpenStudy (anonymous):

A triangular prism has a height of 9 meters and a triangular base with the following dimensions. What is the surface area of the prism? 372 m2 324 m2 504 m2 420 m2

OpenStudy (anonymous):

This one gave me a brainfart lol

OpenStudy (driftracer305):

use my notes and give it a try....

OpenStudy (anonymous):

(perimeter of Base * length) + 2(Area of base) ??

OpenStudy (driftracer305):

yup..........

OpenStudy (anonymous):

And the base? Gets me every time..

OpenStudy (driftracer305):

k here ignore 6m in the figure.........

OpenStudy (driftracer305):

now remember u asked for the area of base just a while ago?? it was your very first question

OpenStudy (anonymous):

Yes..

OpenStudy (driftracer305):

u asked for perimeter as well........

OpenStudy (anonymous):

Yeah but im kinda dumb..

OpenStudy (anonymous):

I know the P is just adding them together

OpenStudy (driftracer305):

Formula :- (perimeter of Base * length) + 2(Area of base) (36 * 9) + 2(48) 324 + 96 = ????????

OpenStudy (anonymous):

420?

OpenStudy (driftracer305):

is that one of your answer choices??

OpenStudy (anonymous):

yes

OpenStudy (driftracer305):

then congratulations .............. u found the answer... yay

OpenStudy (anonymous):

Now to find the vollume of the prisim youd takr 36x6?

OpenStudy (anonymous):

wait 9

OpenStudy (driftracer305):

no baby......... 36 is the perimeter of the base........ u need area......

OpenStudy (anonymous):

So then what?

OpenStudy (driftracer305):

u had area just a while ago......... ur very first question remember?

OpenStudy (anonymous):

48X9

OpenStudy (driftracer305):

yes..........

OpenStudy (anonymous):

Youre a life saver!

OpenStudy (driftracer305):

i know right..................lol......

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