You can split a rectangle into 2 right-angled triangles. Image caption, STEP 2: Use the compass to draw a circle. Put a dot where the compass rested and use the ruler to draw a horizontal line ...

use the ruler and pencil to draw a ... STEP 2 - MAKE SQUARE, CUT OUT: Place the triangles on the other piece of card. Arrange with their right angles outwards, so they form the outline of a ...