He calculated the area of the triangle.

He is good at solving trigonometry problems.

Let's compare these two products.

She has difficulty listening to music due to a problem with her auditory organ.

He drew a triangle on the blackboard.

She is learning how to use the comparative in English.

His body shape is very good.

I think his ideas are revolutionary.

Nuclear fusion is expected to be a future energy source.

He likes to paint landscapes every day.