DOMS Geometrical Mathematical Instrument Box

“DOMS geometry box,” it’s likely a set of tools used in geometry for drawing and measuring. Here’s a breakdown of what you might find in a typical geometry box:

Common Components of a Geometry Box:

1. Compass:
   • Used to draw circles and arcs. It consists of two arms, one with a pencil and the other with a pointer or needle.
2. Protractor:
   • A semi-circular or circular instrument used to measure angles in degrees.
3. Ruler:
   • A straightedge used for drawing straight lines and measuring lengths.
4. Set Squares:
   • Usually two triangular shapes, often with angles of 30°, 60°, 90° and/or 45°, 45°, 90°. They help in drawing perpendicular lines and measuring angles.
5. Divider:
   • Similar to a compass but with two sharp points, used to measure distances or transfer measurements.
6. Scale:
   • A ruler with different scales (e.g., centimeter, millimeter) for precise measurement.
7. Drawing Pencil:
   • A pencil used for making precise marks and lines.
8. Eraser:
   • Used for correcting mistakes made with pencil.

How to Use These Tools:

• Compass: Set the distance between the pencil and the pointer to the desired radius, place the pointer on the center point, and rotate the compass to draw a circle.
• Protractor: Align the baseline of the protractor with one side of the angle, then read the degree measurement where the other side of the angle intersects the protractor’s scale.
• Ruler: Use for drawing straight lines and measuring distances. Align the ruler along the points you want to connect and draw the line.
• Set Squares: Use to draw perpendicular lines or angles by aligning the set square with the ruler and drawing along its edges.
• Divider: Set the points of the divider to the distance you need to measure or transfer. Place one point on the measurement, then use it to mark the same distance elsewhere.