The surface area of a rectangular prism is always:
A=2(xy+xz+yz), where x, y, and z are the three dimensions of the prism.
A=2(50*90+50*3.5+90*3.5)
A=2(4500+175+315)
A=2(4990)
A=9980 mm^2
Answer:
ill try! <3
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
Answer:

Step-by-step explanation:
Similar shapes also maintain a constant proportion of sides. Therefore, we can set up the following equation:

Solving, we get:

30% of 200=60 200+60= 260
Ty has £260
£260 x 2= £520
200+260+520= £980
Answer £980
I hope this is right :D