Respuesta :

4. 28.5 squared centimeter
5. height=18 ft
7. The triangle will be bigger. Since this scale factor is 4, then that means that the 2-D plane will be bigger.
8. The perimeter will get bigger.
i'm not sure if i understand the question but if i understand it right it goes like this...
4-8+6
4-8=-4
-4+6=2
so the answer is 2