Geometry Unit 2 - 2025

Scalene 🔺

No sides are equal

Isosceles 🔺

Two sides are equal

Equiangular 🔺

All angles are equal

Equilateral 🔺

All sides are equal

Obtuse 🔺

Has a side with over 90 degrees

Acute 🔺

All angles below 90 degrees

Right 🔺

Has a 90 degree angle

Octagon

Has 8 sides

Quadrilateral

Has 4 sides

Hexagon

Has 6 sides

Heptagon

Has 7 sides

Pentagon

Has 5 sides

Decagon

Has 10 sides

Nonagon

Has 9 sides

Alternate interior angles

On interior of the transversal but opposite sides of it

Alternate exterior angles

On the exteriors but opposite sides of the transversal

Consecutive interior angles

Same side and on the interior of the transversal

Corresponding angles

Same spot of the parallel lines, but separated by a transversal

Supplementary

2 angles that make up 180 degrees

How to find the singular interior angle and exterior angle of a regular polygon?

(n-2)(180) then answer/n

360/n

Polygon

Has many sides that includes a segment intersecting exactly two other segments, nothing extra