Flashcards on Basic Geometrical Ideas

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What is geometry?

Geometry is the branch of math that deals with shapes, sizes, positions, properties of space, and relative positions of figures.

What is a point in geometry?

A point is a specific location in space that has no size or shape. It is denoted by a dot and is labeled with a capital letter.

What is a line in geometry?

A line is a straight path that has no thickness or width. It extends indefinitely in both directions and is denoted by a line with two arrows.

What is an angle in geometry?

An angle is the measure of the amount of turn between two lines that meet at a point. It is measured in degrees using a protractor.

What is a triangle in geometry?

A triangle is a three-sided polygon that has three angles. It is named by its sides such as equilateral, isosceles or scalene.

What is a circle in geometry?

A circle is a set of all points in a plane that are equidistant from a fixed point called the center. It is denoted by the letter 'O'.

What is a rectangle in geometry?

A rectangle is a four-sided polygon that has two sets of parallel sides and four right angles. It is named by its length and width.

What is a square in geometry?

A square is a four-sided polygon that has four equal sides and four right angles. It is a special type of rectangle with sides of equal length.

What is a parallelogram in geometry?

A parallelogram is a four-sided polygon that has two sets of parallel sides and opposite angles that are equal. It is named by its base and height.

What is a trapezoid in geometry?

A trapezoid is a four-sided polygon that has at least one set of parallel sides. It can be named by its bases and height.

What is a cube in geometry?

A cube is a three-dimensional solid object that has six square faces, twelve edges and eight vertices. It is named by its edge length.

What is a prism in geometry?

A prism is a three-dimensional solid object that has two congruent and parallel faces called bases, and all other faces in the figure are rectangles. It is named by its base shape and number of sides.

What is a pyramid in geometry?

A pyramid is a three-dimensional solid object with a polygonal base and triangular faces that meet at a point called the apex. It is named by its base shape.

What is a sphere in geometry?

A sphere is a three-dimensional solid object that has all points from a fixed point called the center, that are equidistant. It is denoted by the letter 'O'.

What is geometry?

Geometry is the branch of math that deals with shapes, sizes, positions, properties of space, and relative positions of figures.

What is a point in geometry?

A point is a specific location in space that has no size or shape. It is denoted by a dot and is labeled with a capital letter.

What is a line in geometry?

A line is a straight path that has no thickness or width. It extends indefinitely in both directions and is denoted by a line with two arrows.

What is an angle in geometry?

An angle is the measure of the amount of turn between two lines that meet at a point. It is measured in degrees using a protractor.

What is a triangle in geometry?

A triangle is a three-sided polygon that has three angles. It is named by its sides such as equilateral, isosceles or scalene.

What is a circle in geometry?

A circle is a set of all points in a plane that are equidistant from a fixed point called the center. It is denoted by the letter 'O'.

What is a rectangle in geometry?

A rectangle is a four-sided polygon that has two sets of parallel sides and four right angles. It is named by its length and width.

What is a square in geometry?

A square is a four-sided polygon that has four equal sides and four right angles. It is a special type of rectangle with sides of equal length.

What is a parallelogram in geometry?

A parallelogram is a four-sided polygon that has two sets of parallel sides and opposite angles that are equal. It is named by its base and height.

What is a trapezoid in geometry?

A trapezoid is a four-sided polygon that has at least one set of parallel sides. It can be named by its bases and height.

What is a cube in geometry?

A cube is a three-dimensional solid object that has six square faces, twelve edges and eight vertices. It is named by its edge length.

What is a prism in geometry?

A prism is a three-dimensional solid object that has two congruent and parallel faces called bases, and all other faces in the figure are rectangles. It is named by its base shape and number of sides.

What is a pyramid in geometry?

A pyramid is a three-dimensional solid object with a polygonal base and triangular faces that meet at a point called the apex. It is named by its base shape.

What is a sphere in geometry?

A sphere is a three-dimensional solid object that has all points from a fixed point called the center, that are equidistant. It is denoted by the letter 'O'.

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