I looked up and I think you use them to draw graphs but can use them to draw straight lines.
keyboard
Use four to make a normal square and put two lines on top of another
Draw two lines that meet somewhere
Draw two horizontal straight lines that are slightly offset from each other. One above the other. Then, use a ruler or other straightedge to connect the outer ends of the lines.
you use lines and arrows and draw through numbers
I looked up and I think you use them to draw graphs but can use them to draw straight lines.
Ruler
Use A Ruler
keyboard
you draw straight lines with a ruler
Truthfully, grids help to draw straight lines, and beter accuracy.
use light shade and then draw lines with a pointed hard eraser or can use kneaded eraser.. hope this will help :)
Draw a rectangle and draw three lines in it.... Firstly, draw 3 lines and divide one line into two...then it will easy to draw a rectangle...
you draw a square with 3 lines inside it.
Draw two lines that meet somewhere
Use four to make a normal square and put two lines on top of another