Math Antics - Basic Geometry Terms

When they never cross we call these lines.....

• parallel

• perpendicular

When lines cross at this point, they are.....

• intersecting

• parallel

In geometry, angles are named by

• The points used to make them

• The stars in the sky

Whenever you see an arc with a letter next to it, it means

• that it is the first initial of the name of that angle.

• It means that is the name of the angle formed by that arc

Lines arranged like this are.....

• parallel

• perpendicular

Squared corner angles in geometry are called

• Square angles

• Right Angles

• Left Angles

Angles that are less than 90 degrees or less than a right angle are called

• Obtuse Angles

• Little Angles

• Acute Angles

Angles that are greater than a right angles or greater than 90 degrees are called

• Obtuse Angles

• Acute Angles

• Jumbo Angles

In geometry, any two angles that together form a right angle are called

• Polite Angles

• Nice Angles

• Complementary Angles

Two angles whose measures add up to 180 degrees are called

• Complementary Angles

• Supplementary Angles

• Ollie Angles