NYS Geometry Regents Review

To find the sum of the interior angles of a polygon, use ...

• 180 (n - 2)

• [180(n - 2)/ n]

• 360 / n

To find the measure of each exterior angle of a regular polygon, use ...

• 180(n - 2)

• [180(n - 2)/n]

• 360 / n

The sum of the exterior angles of any polygon is

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

To find each interior angle of a regular polygon, use ...

• 180(n - 2)

• [180(n - 2) / n]

• 360 / n

An isosceles triangle has ____ congruent sides.

• No

• 2

• 3

An equilateral triangle has ____ congruent sides.

• No

• Two

• Three

• Too

A scalene triangles has _____ congruent sides.

• No

• 2

• 3

A triangle with all angles less than 90 degrees.

• Acute

• Right

• Obtuse

A triangle with one right angle.

• Acute

• Right

• Obtuse

A triangle with one angle that is greater than 90 degrees.

• Acute

• Right

• Obtuse