What is the value of B for the following triangular prism? Remember that there are 10 millimeters in a centimeter.
https://dw6y82u65ww8h.cloudfront.net/organisations/328/054d6410-41ab-4256-930e-c3b93182f45f/img_volume_triangular_prism_2.gif
15 cm 2
30 cm 2
3 cm 2
1.5 cm 2