Question

What is the volume of the right prism?












A.

23 cm3








B.

46 cm3








C.

192.5 cm3








D.

385 cm3

Answer 1

Hello?

Answer 2

The volume of a prism is the area of the base of the prism times the height of the prism.
Here, the base is a triangle with triangle base 7 cm and triangle height 5 cm.
The prism height is 11 cm.

Answer 3

First, find the area of the triangle.
Then multiply it by the prism height.

Answer 4

385 found the area

Answer 5

That is not correct.
Let's do it one step at a time.
The base is a triangle with base 7 cm and height 5 cm.
What is the area of the base?

Answer 6

\(\Large A_{triangle} = \dfrac{1}{2} bh = \dfrac{1}{2} \times (7~cm) \times(5~cm)\)

What do you get for the area of the triangular base?