The instrument in the geometry box in the shape of a triangle is called a

Answer: The instrument in the geometry box in the shape of a triangle is called a- Set Square (Option C)

Complete Answer:

A geometry box is a container that holds essential tools used for geometry, drawing, and measurements. It is commonly used by students and professionals for precise constructions and solving geometric problems.

Here is a brief description of all the options:

Option A. Compass: 

• A compass has two arms connected by a hinge at the top. One arm has a pointed metal tip, and the other holds a pencil.
• It is used to draw circles or arcs and measure distances between two points. It can also be used to replicate lengths.

Option B. Protractor:

• A protractor is a semi-circular or circular transparent tool with marked degrees from 0° to 180° (semi-circular) or 0° to 360° (circular).
• It is used to measure angles from 0° to 180°. Also, it can be used to construct specific angles.

Option C. Set Square:

• It is a right-angled triangle with one 90° angle and other angles as either 30°-60° or 45°-45°. There are two types of set squares:

           a. 30°-60°-90° triangle or Right-angled isosceles triangles
          b. 45°-45°-90° triangle or Scalene triangles

• It is used to draw straight lines, perpendiculars, and angles (usually 30°, 45°, 60°, or 90°).

Option D. Divider:

• A divider has two pointed metal arms joined at the top by a hinge. Both arms are sharp and have identical lengths.
• It is used to compare lengths and distances between two points. Also, it is useful for precise measurements on maps or diagrams.

Thus, the instrument in the geometry box in the shape of a triangle is called Option C. Set Square

Other Instruments and Elements in a Geometry Box:

• Ruler (Scale)
• Pencil
• Eraser
• Sharpener
• Compass Key

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