Introduction to Geometry

Front

What does the word 'perpendicular' mean?

Back

Intersect at a right angle.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is the general name of a 3-sided shape?

Back

Triangle.

Tags

CCSS.2.G.A.1

Front

The distance around the outside of a shape is the shape's ____________________.

Back

Perimeter.

Front

What is the general name of a 4-sided shape?

Back

Quadrilateral.

Tags

CCSS.2.G.A.1

Front

What kind of angle is less than 90 degrees?

Back

Acute angle.

Tags

CCSS.4.G.A.1

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees.

Tags

CCSS.8.G.A.5

Front

What is the formula for the area of a rectangle?

Back

Length × Width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What do you call a polygon with five sides?

Back

Pentagon.

Tags

CCSS.2.G.A.1

Front

What is the term for a line segment that connects two points on a circle?

Back

Chord.

Front

What is the name of an angle that is exactly 90 degrees?

Back

Right angle.

Tags

CCSS.4.G.A.1