Types of 2D and 3D graphics
Answers are for parents and teachers.
1
How many pixels does a 2000×1000 raster have?
2000000
2
A picture 3000 pixels wide is how many inches wide at 300 dpi?
10
3
How many segments does the Koch curve have after 4 steps (starting with one segment)?
256
4
Write one advantage and one disadvantage of each: vector and raster graphics.
Vector: small, scales without loss; cannot store a photo. Raster: stores any picture; large and blurry when enlarged.
5
A cube has 6 faces; if each face is covered by 2 triangles, how many triangles are needed in all?
12