Math 213 T/F Practice Problems for Exam 2
True & False: Determine if each of the following is true or false. In each case, explain your
answer in detail or correct the question if it is false. For both true and for false answers, try to
create / find a similar question from class notes / texts to practice the stated (or corrected)
techniques or ideas.
1. T F If two triangles have the same perimeter, they must have the same area.
2. T F If two squares have the same perimeter, they must have the same area.
3. T F The diagonals of a square intersect at right angles.
4. T F The volume of a cylinder is 3 times the volume of a cone with the same
base and height.
5. T F If the height of a triangle doubles, then its perimeter increases by a factor
of 4
6. T F A mile is longer than a kilometer.
7. T F An inch is longer than a centimeter.
8. T F A yard is longer than a meter.
9. T F If the radius of circle doubles then the area increases by a factor of 4.
10. T F If the height of a cylinder doubles, then the volume of the cylinder
increases by a factor of 8.
11. T F If the surface area of two cylinders is the same, then the cylinders have
the same volume.
12. T F 50° C is warmer than 50° F.
13. T F If the length of the diagonal of a square is doubled, then the edge lengths
are doubled.
14. T F A cube of with side length 10cm would fit inside of a sphere with
diameter 10cm.
15. T F 1500 km is longer than 1200 miles.
16. T F If the surface area of two spheres is the same, then the volume of the
spheres must be the same.
17. T F If the edges of a cube all double, then the volume of the cube increases by
a factor of 8.
