👉 Learn about parallel lines and a transversal theorems. Two lines are said to be parallel when they have the same slope and ...

👉 Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be ...

Polygons can be regular or irregular. If the angles are all equal and all the sides are equal length it is a regular polygon. To find the sum of interior angles in a polygon divide the polygon into ...

A scalene triangle has 3 sides of different lengths and 3 unequal angles. An isosceles triangle has 2 sides of equal length. (The dashes on the lines show which are equal in length.) The angles at the ...