Question

What's up!

I am here with a handful of geometry questions today. Please answer the question based off the image(s) below.

If you are not sure of the answer please leave a comment, DO NOT ANSWER THE QUESTION UNLESS YOU KNOW THE ANSWER. Please don't take me points! Thanks for understanding.

Anyways, please show all of your work and explain your thinking! Thanks!

Answer 1

Triangular prism with base being an equilateral triangle with side of 9.

Area of equilateral triangle with side a:

• b = (√3/4)a²

Volume:

• V = bh = (√3/4)a²h = (√3/4)9²*14 = 491.0 cm³

Surface area:

• A = 3ah + √3/2*a² = 3*9*14 + √3/2*9² = 448.1 cm²