Question

Can someone help me please :) Geometry

Answer 1

Find the volume of a triangular prism with a height of 5cm and a base that is a regular triagnle with sides of 3cm.

Answer 2

Think you can help @nickhouraney ?

Answer 3

how dare you call upon me

Answer 4

Ok ?

Answer 5

@Hero Think you can Help me Buddy?

Answer 6

im assuming its 1/2 *3*3*5

Answer 7

if i do that is comes out to 22.5 and that isnt an answer

Answer 8

Find the volume of a triangular prism with a height of 5cm and a base that is a regular triagnle with sides of 3cm.

Answer 9

hmm hold on

Answer 10

ok

Answer 11

looks like we need to find the length so we might be able to plug in the values we know and solve for length then use the volume formula

Answer 12

How do we do that? Im sorry im really Fing dumb at math so yeah ...

Answer 13

i need to know like step by step then ill be good

Answer 14

@nickhouraney hint: the area of a regular triangle is \[A = \frac{s^2\sqrt 3}{4}\]

Answer 15

does the s^2 stand for sides? What do i plug s for?

Answer 16

is 56.25 one of the options

Answer 17

the base edge of the triangle @eAnthonyR

Answer 18

A.15
B.45/4
C.45
D. 45 Square root 3

Answer 19

so it comes out to 3.89?

Answer 20

i did 3^2 Sqaure root(3)/4 and it gave me 3.89

Answer 21

dont simplify the square root

Answer 22

thats what it came out too i didnt simplify.

Answer 23

dont we need to find the length @lgbasallote

Answer 24

you simplified sqrt 3...otherwise there shouldnt be a decimal point

Answer 25

so how do i put it in my calculator?

Answer 26

(9rad3/4 * 5 * ?)/2 = v

Answer 27

im so confused -_-.

Answer 28

I hate math with a burning passion .. cause i suck at it AHHHHHHHH

Answer 29

you dont put it in the calculator..

Answer 30

you dont use a calculator in these questions

Answer 31

Oh well i cant do it like that haha

Answer 32

I never learned this in my class ive done so much work here that i never learned in class -_-

Answer 33

let me guess...online school?

Answer 34

Yes

Answer 35

and it would be what @nickhouraney wrote...except without /2

Answer 36

you guessed correctly

Answer 37

@lgbasallote ^

Answer 38

i dont know

Answer 39

its still coming out to a decimal