Angles
The 3 main types of angles in geometry
What are acute, obtuse, and right angles?
A shape with 4 sides.
What is a square?
A shape with 8 sides.
What is an octagon?
Intersecting lines that form at a right angle.
What are perpendicular lines?
A line that has two endpoints.
What is a line segment?
An angle that is exactly 90 degrees.
What is a right angle?
A shape with 3 sides.
What is a triangle?
A shape with 7 sides.
What is a heptagon?
Has a starting point but no end point.
What is a ray?
An exact location in space.
What is a point?
An angle that is greater than 90 degrees.
What is an obtuse angle?
A shape with 0 sides.
What is a circle?
A flat two-dimensional shape with straight sides that are fully closed.
What is a polygon?
Goes on forever in both directions.
What is a line?
The interior angles sum to 180 degrees.
How many degrees is a triangle?
An angle that is less than 90 degrees.
What is an acute angle?
A shape with 6 sides.
What is a hexagon?
What is a rhombus?
Lines that cross at one point.
What are intersecting lines?
The longest side in a right triangle.
What is the hypotenuse?
An angle that measures 180 degrees.
What is a straight angle?
What is a pentagon?
A quadrilateral that has equal and parallel opposite sides.
What is a parallelogram?
Lines that never intersect.
What are parallel lines?
The interior is equal to 360 degrees.
What is the degree of a circle?