Geometry Basics

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What is the sum of the angles in a triangle?

The sum of the angles in a triangle is 180 degrees.

What is a line segment?

A line segment is a part of a line that has two endpoints.

What is the area formula for a rectangle?

The area of a rectangle is length multiplied by width.

How many sides does a hexagon have?

A hexagon has 6 sides.

What is the name of a 3-dimensional shape with 6 equal faces?

A cube.

How is the circumference of a circle calculated?

Circumference is calculated as pi times the diameter.

What is a right angle?

A right angle is an angle of 90 degrees.

What is the name for a polygon with 8 sides?

An octagon.

What defines an equilateral triangle?

An equilateral triangle has all sides equal in length.

What is a radius of a circle?

A radius is a line from the center of a circle to the edge.

What is a parallel line?

Parallel lines are lines that never intersect.

What is the perimeter of a square with side length 4?

The perimeter is 16.

What does congruent mean in geometry?

Congruent means identical in form and size.

How many edges does a cube have?

A cube has 12 edges.

What is an acute angle?

An acute angle is less than 90 degrees.