True or false: solids

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   The total surface area of a cube is six times the square of its edge.

2. Statement is true

   Yes

   Statement

   An oil tanker is modelled as a cylinder with a hemisphere at each end.

3. Statement is true

   No

   Statement

   The surface area of a combined solid is just the sum of the whole solids' areas.

4. Statement is true

   Yes

   Statement

   The volume of a combined solid is the sum of the volumes of its parts.

Instructions

Decide whether each statement about solids is true or false.

Explanation