Answer:
x=3
Step-by-step explanation:
I have to assume that you mean it is a similar rectangle, since a triangle can not be similar to a rectangle. In that case the original measurements are 4x4.5.
By doubling them, you get a rectangle with the measurements of 8x9 and thus the area is 72
Answer:
Do the math
Step-by-step explanation:
If you do the math you get answer