Question

Help Find the volume of prism

Answer 1

@ganeshie8

Answer 2

Volume = (Base Area) * (Height)

Answer 3

Notice that the prism is sleeping horizontally

Answer 4

its base triangles are on left and right sides

Answer 5

can u find the area of that triangle ?

Answer 6

remember the formula for area of equilateral triangle ?

Answer 7

A=3
4a2

Answer 8

http://www.calculateme.com/cArea/area-equilateral-triangle.gif

Answer 9

Base Area = \(\large \dfrac{\sqrt{3}}{4}*s^2 \)

Answer 10

plugin the side \(\large s = 15\) above, and see if u can evaluate the area

Answer 11

how would i put it in my calculator

Answer 12

use wolfram

Answer 13

http://www.wolframalpha.com/input/?i=sqrt%283%29%2F4*15%5E2

Answer 14

^^thats the "Base Area"

Answer 15

To get the volume, multiply the "Base Area" by the height