Question

Length: 10cm x 10=100 Width: 4cm x 10=40 Height: 15cm x 10=150 what is the surface area

Answer 1

Hello!

As we are given lengths of 3 faces, we just multiply by 2.

100+40+150=290

290(2)=580

Therefore, our surface area is 580 cm²

I hope this helps!