What cross-section is made in a tree trunk by a vertical cut and horizontal cut?

What cross-section is made in a die by a vertical cut and horizontal cut?

What cross-section is made in a frustum of a cone by a vertical cut and horizontal cut?

What cross-section is made in an Egyptian pyramid by a vertical cut and horizontal cut?

For solid given below, the three views numbered $\left(1\right),\left(2\right),\left(3\right)$ are given. Identify from these the top, front and side view.

For solid given below, the three views numbered $\left(1\right),\left(2\right),\left(3\right)$ are given. Identify from these the top, front and side view.

For solid given below, the three views numbered $\left(1\right),\left(2\right),\left(3\right)$ are given. Identify from these the top, front and side view.

For solid given below, the three views numbered $\left(1\right),\left(2\right),\left(3\right)$ are given. Identify from these the top, front and side view.

If my different faces are $△$ and $▭$. Who am I?