Geometry Concepts and Definitions

The video tutorial introduces 2D and 3D shapes, explaining their properties and types. It covers various triangles, quadrilaterals, and polygons in 2D shapes, and discusses prisms, polyhedrons, and pyramids in 3D shapes. The tutorial also explains numerical prefixes in math and demonstrates how to draw a bicycle using basic shapes.

What is a vertex in a 2D shape?

• A symbol marking a right angle

• A line that divides into two equal parts

• A corner where two edges meet

• A line segment on the boundary

Which triangle has three equal sides and angles?

• Right triangle

• Equilateral triangle

• Scalene triangle

• Isosceles triangle

What is a characteristic of a rhombus?

• Four right angles

• One pair of parallel sides

• Four equal sides

• Two pairs of equal adjacent sides

Which shape has two pairs of parallel sides?

• Kite

• Pentagon

• Parallelogram

• Trapezoid

What is a face in a 3D shape?

• A hidden edge

• A corner where edges meet

• A flat or curved surface

• A line segment on the boundary

What is a characteristic of a prism?

• Sloping faces meeting at a vertex

• Polygonal faces

• Identical ends and parallel cuts

• Curved surface ending at a point

How many faces does a cube have?

• Twelve

• Eight

• Six

• Four

What is the base shape of a square pyramid?

• Square

• Circle

• Triangle

• Pentagon

What does the prefix 'hexa' mean?

• Seven

• Six

• Five

• Four

What does 'gone' mean in mathematical terms?

• Edge

• Side

• Angle

• Vertex