What is the answer to this?

Need ! easy 6th grade work! i will put as much points as i can! you so much! i’m learning this in math and it’s soo

What is the relationship between all triangles that can be drawn given the same three angles

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis