Unit 2 Geometric Basics

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

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

Back

180°.

Front

What is a parallel line?

Back

Lines that never intersect and are equidistant from each other.

Front

What is the definition of a right angle?

Back

An angle that measures 90°.

Front

How do you find the missing angle in a triangle?

Back

Subtract the sum of the known angles from 180°.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

What does it mean for two lines to be perpendicular?

Back

They intersect at a right angle (90°).

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the definition of a polygon?

Back

A closed figure with three or more straight sides.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.