Question

the side lengths of a triangle are increased by 50% to make a similar triangle. does the area increase by 50% as well?

Answer 1

The answer is definitely No. For example, if the rectangle is increased by 2, the area must be 4 times. Apply the same to this triangle. Hope it help!

Answer 2

No. The new area is 2.25 times the original area. That's (1.5 times 1.5).