Question

Select all the true statements.

1 - Three dimensional (3D) composite shapes are made of two or more shapes put together.

2 - To calculate the surface area of a 3D composite shape, find the outside surface area of each shape and then add the surface areas together.


3 - Surface area is the amount of space, measured in cubic units, that an object or substance occupies


4 - Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape.

Answer 1

In my option it’s 1 and 2
I hope it’s help

Answer 2

i think its 1 and 2