Respuesta :

The answer is 378cm3 because the formula for volume is lxwxh

Find the area of the triangular face:

Area of a triangle = 1/2 x base x height:

Area = 1/2 x 6 x 9 = 27 square cm.

Now to find the volume, multiply the area by the depth of the prism:

Volume  = 27 x 7 = 189 cubic cm.